Home / 22,280.62-30,735.76-15,108.11

Finding the Fourth Proportional to 22,280.62, 30,735.76 and 15,108.11

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Solution

The fourth proportional to 22,280.62, 30,735.76 and 15,108.11 is: 20,841.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,280.62 : 30,735.76 = 15,108.11 : x
  2. Step 2: Convert to fraction form
    22,280.62/30,735.76 = 15,108.11/x
  3. Step 3: Cross multiply
    22,280.62x = 30,735.76 × 15,108.11
  4. Step 4: Simplify right side
    22,280.62x = 464,359,252.78
  5. Step 5: Solve for x
    x = 464,359,252.78/22,280.62
  6. Step 6: Final answer
    x = 20,841.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.