Home / 22,131.80-33,149.10-15,522.20

Finding the Fourth Proportional to 22,131.80, 33,149.10 and 15,522.20

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Solution

The fourth proportional to 22,131.80, 33,149.10 and 15,522.20 is: 23,249.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,131.80 : 33,149.10 = 15,522.20 : x
  2. Step 2: Convert to fraction form
    22,131.80/33,149.10 = 15,522.20/x
  3. Step 3: Cross multiply
    22,131.80x = 33,149.10 × 15,522.20
  4. Step 4: Simplify right side
    22,131.80x = 514,546,960.02
  5. Step 5: Solve for x
    x = 514,546,960.02/22,131.80
  6. Step 6: Final answer
    x = 23,249.21

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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.