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Finding the Fourth Proportional to 43,469.73, 65,262.92 and 25,733.16

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Solution

The fourth proportional to 43,469.73, 65,262.92 and 25,733.16 is: 38,634.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,469.73 : 65,262.92 = 25,733.16 : x
  2. Step 2: Convert to fraction form
    43,469.73/65,262.92 = 25,733.16/x
  3. Step 3: Cross multiply
    43,469.73x = 65,262.92 × 25,733.16
  4. Step 4: Simplify right side
    43,469.73x = 1,679,421,033.76
  5. Step 5: Solve for x
    x = 1,679,421,033.76/43,469.73
  6. Step 6: Final answer
    x = 38,634.26

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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.