Home / 52,500.80-72,451.20-28,627.28

Finding the Fourth Proportional to 52,500.80, 72,451.20 and 28,627.28

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Solution

The fourth proportional to 52,500.80, 72,451.20 and 28,627.28 is: 39,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,500.80 : 72,451.20 = 28,627.28 : x
  2. Step 2: Convert to fraction form
    52,500.80/72,451.20 = 28,627.28/x
  3. Step 3: Cross multiply
    52,500.80x = 72,451.20 × 28,627.28
  4. Step 4: Simplify right side
    52,500.80x = 2,074,080,788.74
  5. Step 5: Solve for x
    x = 2,074,080,788.74/52,500.80
  6. Step 6: Final answer
    x = 39,505.70

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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.