Home / 87,581.28-131,352.48-25,256.64

Finding the Fourth Proportional to 87,581.28, 131,352.48 and 25,256.64

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Solution

The fourth proportional to 87,581.28, 131,352.48 and 25,256.64 is: 37,879.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,581.28 : 131,352.48 = 25,256.64 : x
  2. Step 2: Convert to fraction form
    87,581.28/131,352.48 = 25,256.64/x
  3. Step 3: Cross multiply
    87,581.28x = 131,352.48 × 25,256.64
  4. Step 4: Simplify right side
    87,581.28x = 3,317,522,300.47
  5. Step 5: Solve for x
    x = 3,317,522,300.47/87,581.28
  6. Step 6: Final answer
    x = 37,879.35

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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.