Home / 22,057.20-33,082.56-8,909.28

Finding the Fourth Proportional to 22,057.20, 33,082.56 and 8,909.28

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Solution

The fourth proportional to 22,057.20, 33,082.56 and 8,909.28 is: 13,362.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,057.20 : 33,082.56 = 8,909.28 : x
  2. Step 2: Convert to fraction form
    22,057.20/33,082.56 = 8,909.28/x
  3. Step 3: Cross multiply
    22,057.20x = 33,082.56 × 8,909.28
  4. Step 4: Simplify right side
    22,057.20x = 294,741,790.16
  5. Step 5: Solve for x
    x = 294,741,790.16/22,057.20
  6. Step 6: Final answer
    x = 13,362.61

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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.