Home / 22,908.62-34,519.01-18,839.78

Finding the Fourth Proportional to 22,908.62, 34,519.01 and 18,839.78

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Solution

The fourth proportional to 22,908.62, 34,519.01 and 18,839.78 is: 28,388.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,908.62 : 34,519.01 = 18,839.78 : x
  2. Step 2: Convert to fraction form
    22,908.62/34,519.01 = 18,839.78/x
  3. Step 3: Cross multiply
    22,908.62x = 34,519.01 × 18,839.78
  4. Step 4: Simplify right side
    22,908.62x = 650,330,287.42
  5. Step 5: Solve for x
    x = 650,330,287.42/22,908.62
  6. Step 6: Final answer
    x = 28,388.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.