Home / 22,220.78-33,294.26-15,633.12

Finding the Fourth Proportional to 22,220.78, 33,294.26 and 15,633.12

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Solution

The fourth proportional to 22,220.78, 33,294.26 and 15,633.12 is: 23,423.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,220.78 : 33,294.26 = 15,633.12 : x
  2. Step 2: Convert to fraction form
    22,220.78/33,294.26 = 15,633.12/x
  3. Step 3: Cross multiply
    22,220.78x = 33,294.26 × 15,633.12
  4. Step 4: Simplify right side
    22,220.78x = 520,493,083.73
  5. Step 5: Solve for x
    x = 520,493,083.73/22,220.78
  6. Step 6: Final answer
    x = 23,423.71

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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.