Home / 27,212.28-37,554.60-15,276.42

Finding the Fourth Proportional to 27,212.28, 37,554.60 and 15,276.42

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Solution

The fourth proportional to 27,212.28, 37,554.60 and 15,276.42 is: 21,082.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,212.28 : 37,554.60 = 15,276.42 : x
  2. Step 2: Convert to fraction form
    27,212.28/37,554.60 = 15,276.42/x
  3. Step 3: Cross multiply
    27,212.28x = 37,554.60 × 15,276.42
  4. Step 4: Simplify right side
    27,212.28x = 573,699,842.53
  5. Step 5: Solve for x
    x = 573,699,842.53/27,212.28
  6. Step 6: Final answer
    x = 21,082.39

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.