Home / 87,584.64-131,396.13-28,426.26

Finding the Fourth Proportional to 87,584.64, 131,396.13 and 28,426.26

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Solution

The fourth proportional to 87,584.64, 131,396.13 and 28,426.26 is: 42,645.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,584.64 : 131,396.13 = 28,426.26 : x
  2. Step 2: Convert to fraction form
    87,584.64/131,396.13 = 28,426.26/x
  3. Step 3: Cross multiply
    87,584.64x = 131,396.13 × 28,426.26
  4. Step 4: Simplify right side
    87,584.64x = 3,735,100,554.37
  5. Step 5: Solve for x
    x = 3,735,100,554.37/87,584.64
  6. Step 6: Final answer
    x = 42,645.61

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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.