Home / 87,227.18-130,757.64-28,021.27

Finding the Fourth Proportional to 87,227.18, 130,757.64 and 28,021.27

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Solution

The fourth proportional to 87,227.18, 130,757.64 and 28,021.27 is: 42,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,227.18 : 130,757.64 = 28,021.27 : x
  2. Step 2: Convert to fraction form
    87,227.18/130,757.64 = 28,021.27/x
  3. Step 3: Cross multiply
    87,227.18x = 130,757.64 × 28,021.27
  4. Step 4: Simplify right side
    87,227.18x = 3,663,995,135.00
  5. Step 5: Solve for x
    x = 3,663,995,135.00/87,227.18
  6. Step 6: Final answer
    x = 42,005.20

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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.