Home / 28,737.64-39,657.56-16,162.39

Finding the Fourth Proportional to 28,737.64, 39,657.56 and 16,162.39

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Solution

The fourth proportional to 28,737.64, 39,657.56 and 16,162.39 is: 22,303.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737.64 : 39,657.56 = 16,162.39 : x
  2. Step 2: Convert to fraction form
    28,737.64/39,657.56 = 16,162.39/x
  3. Step 3: Cross multiply
    28,737.64x = 39,657.56 × 16,162.39
  4. Step 4: Simplify right side
    28,737.64x = 640,960,951.17
  5. Step 5: Solve for x
    x = 640,960,951.17/28,737.64
  6. Step 6: Final answer
    x = 22,303.88

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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.