Home / 22,027.20-32,992.20-18,139.20

Finding the Fourth Proportional to 22,027.20, 32,992.20 and 18,139.20

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Solution

The fourth proportional to 22,027.20, 32,992.20 and 18,139.20 is: 27,168.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,027.20 : 32,992.20 = 18,139.20 : x
  2. Step 2: Convert to fraction form
    22,027.20/32,992.20 = 18,139.20/x
  3. Step 3: Cross multiply
    22,027.20x = 32,992.20 × 18,139.20
  4. Step 4: Simplify right side
    22,027.20x = 598,452,114.24
  5. Step 5: Solve for x
    x = 598,452,114.24/22,027.20
  6. Step 6: Final answer
    x = 27,168.78

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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.