Home / 32,387.64-44,695.12-20,456.32

Finding the Fourth Proportional to 32,387.64, 44,695.12 and 20,456.32

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Solution

The fourth proportional to 32,387.64, 44,695.12 and 20,456.32 is: 28,229.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,387.64 : 44,695.12 = 20,456.32 : x
  2. Step 2: Convert to fraction form
    32,387.64/44,695.12 = 20,456.32/x
  3. Step 3: Cross multiply
    32,387.64x = 44,695.12 × 20,456.32
  4. Step 4: Simplify right side
    32,387.64x = 914,297,677.16
  5. Step 5: Solve for x
    x = 914,297,677.16/32,387.64
  6. Step 6: Final answer
    x = 28,229.83

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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.