Home / 20,041.62-27,657.87-11,089.76

Finding the Fourth Proportional to 20,041.62, 27,657.87 and 11,089.76

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Solution

The fourth proportional to 20,041.62, 27,657.87 and 11,089.76 is: 15,304.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.62 : 27,657.87 = 11,089.76 : x
  2. Step 2: Convert to fraction form
    20,041.62/27,657.87 = 11,089.76/x
  3. Step 3: Cross multiply
    20,041.62x = 27,657.87 × 11,089.76
  4. Step 4: Simplify right side
    20,041.62x = 306,719,002.12
  5. Step 5: Solve for x
    x = 306,719,002.12/20,041.62
  6. Step 6: Final answer
    x = 15,304.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.