Home / 27,916.62-41,868.45-8,189.88

Finding the Fourth Proportional to 27,916.62, 41,868.45 and 8,189.88

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Solution

The fourth proportional to 27,916.62, 41,868.45 and 8,189.88 is: 12,282.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,916.62 : 41,868.45 = 8,189.88 : x
  2. Step 2: Convert to fraction form
    27,916.62/41,868.45 = 8,189.88/x
  3. Step 3: Cross multiply
    27,916.62x = 41,868.45 × 8,189.88
  4. Step 4: Simplify right side
    27,916.62x = 342,897,581.29
  5. Step 5: Solve for x
    x = 342,897,581.29/27,916.62
  6. Step 6: Final answer
    x = 12,282.92

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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.