Home / 52,128.27-71,937.14-28,254.92

Finding the Fourth Proportional to 52,128.27, 71,937.14 and 28,254.92

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Solution

The fourth proportional to 52,128.27, 71,937.14 and 28,254.92 is: 38,991.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,128.27 : 71,937.14 = 28,254.92 : x
  2. Step 2: Convert to fraction form
    52,128.27/71,937.14 = 28,254.92/x
  3. Step 3: Cross multiply
    52,128.27x = 71,937.14 × 28,254.92
  4. Step 4: Simplify right side
    52,128.27x = 2,032,578,135.73
  5. Step 5: Solve for x
    x = 2,032,578,135.73/52,128.27
  6. Step 6: Final answer
    x = 38,991.86

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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.