Home / 28,737.50-39,657.75-16,162.52

Finding the Fourth Proportional to 28,737.50, 39,657.75 and 16,162.52

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Solution

The fourth proportional to 28,737.50, 39,657.75 and 16,162.52 is: 22,304.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737.50 : 39,657.75 = 16,162.52 : x
  2. Step 2: Convert to fraction form
    28,737.50/39,657.75 = 16,162.52/x
  3. Step 3: Cross multiply
    28,737.50x = 39,657.75 × 16,162.52
  4. Step 4: Simplify right side
    28,737.50x = 640,969,177.53
  5. Step 5: Solve for x
    x = 640,969,177.53/28,737.50
  6. Step 6: Final answer
    x = 22,304.28

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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.