Home / 22,989.26-31,737.30-15,475.10

Finding the Fourth Proportional to 22,989.26, 31,737.30 and 15,475.10

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Solution

The fourth proportional to 22,989.26, 31,737.30 and 15,475.10 is: 21,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,989.26 : 31,737.30 = 15,475.10 : x
  2. Step 2: Convert to fraction form
    22,989.26/31,737.30 = 15,475.10/x
  3. Step 3: Cross multiply
    22,989.26x = 31,737.30 × 15,475.10
  4. Step 4: Simplify right side
    22,989.26x = 491,137,891.23
  5. Step 5: Solve for x
    x = 491,137,891.23/22,989.26
  6. Step 6: Final answer
    x = 21,363.80

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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.