Home / 18,727.74-28,095.66-5,581.17

Finding the Fourth Proportional to 18,727.74, 28,095.66 and 5,581.17

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Solution

The fourth proportional to 18,727.74, 28,095.66 and 5,581.17 is: 8,372.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727.74 : 28,095.66 = 5,581.17 : x
  2. Step 2: Convert to fraction form
    18,727.74/28,095.66 = 5,581.17/x
  3. Step 3: Cross multiply
    18,727.74x = 28,095.66 × 5,581.17
  4. Step 4: Simplify right side
    18,727.74x = 156,806,654.72
  5. Step 5: Solve for x
    x = 156,806,654.72/18,727.74
  6. Step 6: Final answer
    x = 8,372.96

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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.