Home / 87,568.29-131,368.84-28,396.26

Finding the Fourth Proportional to 87,568.29, 131,368.84 and 28,396.26

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Solution

The fourth proportional to 87,568.29, 131,368.84 and 28,396.26 is: 42,599.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,568.29 : 131,368.84 = 28,396.26 : x
  2. Step 2: Convert to fraction form
    87,568.29/131,368.84 = 28,396.26/x
  3. Step 3: Cross multiply
    87,568.29x = 131,368.84 × 28,396.26
  4. Step 4: Simplify right side
    87,568.29x = 3,730,383,665.55
  5. Step 5: Solve for x
    x = 3,730,383,665.55/87,568.29
  6. Step 6: Final answer
    x = 42,599.71

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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.