Home / 27,571.47-38,057.28-15,642.73

Finding the Fourth Proportional to 27,571.47, 38,057.28 and 15,642.73

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Solution

The fourth proportional to 27,571.47, 38,057.28 and 15,642.73 is: 21,591.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,571.47 : 38,057.28 = 15,642.73 : x
  2. Step 2: Convert to fraction form
    27,571.47/38,057.28 = 15,642.73/x
  3. Step 3: Cross multiply
    27,571.47x = 38,057.28 × 15,642.73
  4. Step 4: Simplify right side
    27,571.47x = 595,319,755.57
  5. Step 5: Solve for x
    x = 595,319,755.57/27,571.47
  6. Step 6: Final answer
    x = 21,591.88

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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.