Home / 22,149.28-30,697.96-21,734.56

Finding the Fourth Proportional to 22,149.28, 30,697.96 and 21,734.56

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Solution

The fourth proportional to 22,149.28, 30,697.96 and 21,734.56 is: 30,123.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,149.28 : 30,697.96 = 21,734.56 : x
  2. Step 2: Convert to fraction form
    22,149.28/30,697.96 = 21,734.56/x
  3. Step 3: Cross multiply
    22,149.28x = 30,697.96 × 21,734.56
  4. Step 4: Simplify right side
    22,149.28x = 667,206,653.50
  5. Step 5: Solve for x
    x = 667,206,653.50/22,149.28
  6. Step 6: Final answer
    x = 30,123.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.