Home / 87,583.64-131,394.64-28,425.26

Finding the Fourth Proportional to 87,583.64, 131,394.64 and 28,425.26

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Solution

The fourth proportional to 87,583.64, 131,394.64 and 28,425.26 is: 42,644.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,583.64 : 131,394.64 = 28,425.26 : x
  2. Step 2: Convert to fraction form
    87,583.64/131,394.64 = 28,425.26/x
  3. Step 3: Cross multiply
    87,583.64x = 131,394.64 × 28,425.26
  4. Step 4: Simplify right side
    87,583.64x = 3,734,926,804.61
  5. Step 5: Solve for x
    x = 3,734,926,804.61/87,583.64
  6. Step 6: Final answer
    x = 42,644.11

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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.