Home / 22,691.20-33,998.40-10,979.20

Finding the Fourth Proportional to 22,691.20, 33,998.40 and 10,979.20

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Solution

The fourth proportional to 22,691.20, 33,998.40 and 10,979.20 is: 16,450.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,691.20 : 33,998.40 = 10,979.20 : x
  2. Step 2: Convert to fraction form
    22,691.20/33,998.40 = 10,979.20/x
  3. Step 3: Cross multiply
    22,691.20x = 33,998.40 × 10,979.20
  4. Step 4: Simplify right side
    22,691.20x = 373,275,233.28
  5. Step 5: Solve for x
    x = 373,275,233.28/22,691.20
  6. Step 6: Final answer
    x = 16,450.22

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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.