Home / 22,197.12-33,306.60-15,665.28

Finding the Fourth Proportional to 22,197.12, 33,306.60 and 15,665.28

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Solution

The fourth proportional to 22,197.12, 33,306.60 and 15,665.28 is: 23,505.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,197.12 : 33,306.60 = 15,665.28 : x
  2. Step 2: Convert to fraction form
    22,197.12/33,306.60 = 15,665.28/x
  3. Step 3: Cross multiply
    22,197.12x = 33,306.60 × 15,665.28
  4. Step 4: Simplify right side
    22,197.12x = 521,757,214.85
  5. Step 5: Solve for x
    x = 521,757,214.85/22,197.12
  6. Step 6: Final answer
    x = 23,505.63

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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.