Home / 18,380.42-25,377.12-16,387.52

Finding the Fourth Proportional to 18,380.42, 25,377.12 and 16,387.52

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Solution

The fourth proportional to 18,380.42, 25,377.12 and 16,387.52 is: 22,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380.42 : 25,377.12 = 16,387.52 : x
  2. Step 2: Convert to fraction form
    18,380.42/25,377.12 = 16,387.52/x
  3. Step 3: Cross multiply
    18,380.42x = 25,377.12 × 16,387.52
  4. Step 4: Simplify right side
    18,380.42x = 415,868,061.54
  5. Step 5: Solve for x
    x = 415,868,061.54/18,380.42
  6. Step 6: Final answer
    x = 22,625.60

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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.