Home / 52,727.12-72,761.10-28,854.80

Finding the Fourth Proportional to 52,727.12, 72,761.10 and 28,854.80

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Solution

The fourth proportional to 52,727.12, 72,761.10 and 28,854.80 is: 39,818.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,727.12 : 72,761.10 = 28,854.80 : x
  2. Step 2: Convert to fraction form
    52,727.12/72,761.10 = 28,854.80/x
  3. Step 3: Cross multiply
    52,727.12x = 72,761.10 × 28,854.80
  4. Step 4: Simplify right side
    52,727.12x = 2,099,507,061.98
  5. Step 5: Solve for x
    x = 2,099,507,061.98/52,727.12
  6. Step 6: Final answer
    x = 39,818.35

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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.