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Finding the Fourth Proportional to 28,882.88, 43,324.32 and 10,414.88

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Solution

The fourth proportional to 28,882.88, 43,324.32 and 10,414.88 is: 15,622.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,882.88 : 43,324.32 = 10,414.88 : x
  2. Step 2: Convert to fraction form
    28,882.88/43,324.32 = 10,414.88/x
  3. Step 3: Cross multiply
    28,882.88x = 43,324.32 × 10,414.88
  4. Step 4: Simplify right side
    28,882.88x = 451,217,377.26
  5. Step 5: Solve for x
    x = 451,217,377.26/28,882.88
  6. Step 6: Final answer
    x = 15,622.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.