Home / 52,635.70-72,634.17-28,757.62

Finding the Fourth Proportional to 52,635.70, 72,634.17 and 28,757.62

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Solution

The fourth proportional to 52,635.70, 72,634.17 and 28,757.62 is: 39,683.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,635.70 : 72,634.17 = 28,757.62 : x
  2. Step 2: Convert to fraction form
    52,635.70/72,634.17 = 28,757.62/x
  3. Step 3: Cross multiply
    52,635.70x = 72,634.17 × 28,757.62
  4. Step 4: Simplify right side
    52,635.70x = 2,088,785,859.88
  5. Step 5: Solve for x
    x = 2,088,785,859.88/52,635.70
  6. Step 6: Final answer
    x = 39,683.82

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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.