#### Solution for 21.5 is what percent of 72:

21.5:72*100 =

(21.5*100):72 =

2150:72 = 29.861111111111

Now we have: 21.5 is what percent of 72 = 29.861111111111

Question: 21.5 is what percent of 72?

Percentage solution with steps:

Step 1: We make the assumption that 72 is 100% since it is our output value.

Step 2: We next represent the value we seek with {x}.

Step 3: From step 1, it follows that {100\%}={72}.

Step 4: In the same vein, {x\%}={21.5}.

Step 5: This gives us a pair of simple equations:

{100\%}={72}(1).

{x\%}={21.5}(2).

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS
(left hand side) of both equations have the same unit (%); we have

\frac{100\%}{x\%}=\frac{72}{21.5}

Step 7: Taking the inverse (or reciprocal) of both sides yields

\frac{x\%}{100\%}=\frac{21.5}{72}

\Rightarrow{x} = {29.861111111111\%}

Therefore, {21.5} is {29.861111111111\%} of {72}.

#### Solution for 72 is what percent of 21.5:

72:21.5*100 =

(72*100):21.5 =

7200:21.5 = 334.88372093023

Now we have: 72 is what percent of 21.5 = 334.88372093023

Question: 72 is what percent of 21.5?

Percentage solution with steps:

Step 1: We make the assumption that 21.5 is 100% since it is our output value.

Step 2: We next represent the value we seek with {x}.

Step 3: From step 1, it follows that {100\%}={21.5}.

Step 4: In the same vein, {x\%}={72}.

Step 5: This gives us a pair of simple equations:

{100\%}={21.5}(1).

{x\%}={72}(2).

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS
(left hand side) of both equations have the same unit (%); we have

\frac{100\%}{x\%}=\frac{21.5}{72}

Step 7: Taking the inverse (or reciprocal) of both sides yields

\frac{x\%}{100\%}=\frac{72}{21.5}

\Rightarrow{x} = {334.88372093023\%}

Therefore, {72} is {334.88372093023\%} of {21.5}.

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