Home / 87,728.94-131,562.33-28,553.58

Finding the Fourth Proportional to 87,728.94, 131,562.33 and 28,553.58

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Solution

The fourth proportional to 87,728.94, 131,562.33 and 28,553.58 is: 42,820.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,728.94 : 131,562.33 = 28,553.58 : x
  2. Step 2: Convert to fraction form
    87,728.94/131,562.33 = 28,553.58/x
  3. Step 3: Cross multiply
    87,728.94x = 131,562.33 × 28,553.58
  4. Step 4: Simplify right side
    87,728.94x = 3,756,575,514.64
  5. Step 5: Solve for x
    x = 3,756,575,514.64/87,728.94
  6. Step 6: Final answer
    x = 42,820.25

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1.5x scale

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.