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Finding the Fourth Proportional to 29,288, 43,937.52 and 11,759.20

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Solution

The fourth proportional to 29,288, 43,937.52 and 11,759.20 is: 17,641.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,288 : 43,937.52 = 11,759.20 : x
  2. Step 2: Convert to fraction form
    29,288/43,937.52 = 11,759.20/x
  3. Step 3: Cross multiply
    29,288x = 43,937.52 × 11,759.20
  4. Step 4: Simplify right side
    29,288x = 516,670,085.18
  5. Step 5: Solve for x
    x = 516,670,085.18/29,288
  6. Step 6: Final answer
    x = 17,641.02

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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.