Home / 27,912.43-41,872.83-8,188.66

Finding the Fourth Proportional to 27,912.43, 41,872.83 and 8,188.66

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Solution

The fourth proportional to 27,912.43, 41,872.83 and 8,188.66 is: 12,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,912.43 : 41,872.83 = 8,188.66 : x
  2. Step 2: Convert to fraction form
    27,912.43/41,872.83 = 8,188.66/x
  3. Step 3: Cross multiply
    27,912.43x = 41,872.83 × 8,188.66
  4. Step 4: Simplify right side
    27,912.43x = 342,882,368.11
  5. Step 5: Solve for x
    x = 342,882,368.11/27,912.43
  6. Step 6: Final answer
    x = 12,284.22

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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.