Home / 27,877.11-41,815.82-7,100.61

Finding the Fourth Proportional to 27,877.11, 41,815.82 and 7,100.61

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Solution

The fourth proportional to 27,877.11, 41,815.82 and 7,100.61 is: 10,650.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,877.11 : 41,815.82 = 7,100.61 : x
  2. Step 2: Convert to fraction form
    27,877.11/41,815.82 = 7,100.61/x
  3. Step 3: Cross multiply
    27,877.11x = 41,815.82 × 7,100.61
  4. Step 4: Simplify right side
    27,877.11x = 296,917,829.65
  5. Step 5: Solve for x
    x = 296,917,829.65/27,877.11
  6. Step 6: Final answer
    x = 10,650.95

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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.