Home / 29,007.15-43,514.10-9,287.70

Finding the Fourth Proportional to 29,007.15, 43,514.10 and 9,287.70

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Solution

The fourth proportional to 29,007.15, 43,514.10 and 9,287.70 is: 13,932.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,007.15 : 43,514.10 = 9,287.70 : x
  2. Step 2: Convert to fraction form
    29,007.15/43,514.10 = 9,287.70/x
  3. Step 3: Cross multiply
    29,007.15x = 43,514.10 × 9,287.70
  4. Step 4: Simplify right side
    29,007.15x = 404,145,906.57
  5. Step 5: Solve for x
    x = 404,145,906.57/29,007.15
  6. Step 6: Final answer
    x = 13,932.63

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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.