Home / 52,378.48-72,282.17-28,505.15

Finding the Fourth Proportional to 52,378.48, 72,282.17 and 28,505.15

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Solution

The fourth proportional to 52,378.48, 72,282.17 and 28,505.15 is: 39,337.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,378.48 : 72,282.17 = 28,505.15 : x
  2. Step 2: Convert to fraction form
    52,378.48/72,282.17 = 28,505.15/x
  3. Step 3: Cross multiply
    52,378.48x = 72,282.17 × 28,505.15
  4. Step 4: Simplify right side
    52,378.48x = 2,060,414,098.18
  5. Step 5: Solve for x
    x = 2,060,414,098.18/52,378.48
  6. Step 6: Final answer
    x = 39,337.03

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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.