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Finding the Fourth Proportional to 29,009.41, 43,514.72 and 9,287.91

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Solution

The fourth proportional to 29,009.41, 43,514.72 and 9,287.91 is: 13,932.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,009.41 : 43,514.72 = 9,287.91 : x
  2. Step 2: Convert to fraction form
    29,009.41/43,514.72 = 9,287.91/x
  3. Step 3: Cross multiply
    29,009.41x = 43,514.72 × 9,287.91
  4. Step 4: Simplify right side
    29,009.41x = 404,160,791.43
  5. Step 5: Solve for x
    x = 404,160,791.43/29,009.41
  6. Step 6: Final answer
    x = 13,932.06

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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.