Home / 52,729.52-72,766.85-28,857.71

Finding the Fourth Proportional to 52,729.52, 72,766.85 and 28,857.71

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Solution

The fourth proportional to 52,729.52, 72,766.85 and 28,857.71 is: 39,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,729.52 : 72,766.85 = 28,857.71 : x
  2. Step 2: Convert to fraction form
    52,729.52/72,766.85 = 28,857.71/x
  3. Step 3: Cross multiply
    52,729.52x = 72,766.85 × 28,857.71
  4. Step 4: Simplify right side
    52,729.52x = 2,099,884,692.54
  5. Step 5: Solve for x
    x = 2,099,884,692.54/52,729.52
  6. Step 6: Final answer
    x = 39,823.70

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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.