Home / 27,438.54-41,129.56-10,791.83

Finding the Fourth Proportional to 27,438.54, 41,129.56 and 10,791.83

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Solution

The fourth proportional to 27,438.54, 41,129.56 and 10,791.83 is: 16,176.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,438.54 : 41,129.56 = 10,791.83 : x
  2. Step 2: Convert to fraction form
    27,438.54/41,129.56 = 10,791.83/x
  3. Step 3: Cross multiply
    27,438.54x = 41,129.56 × 10,791.83
  4. Step 4: Simplify right side
    27,438.54x = 443,863,013.85
  5. Step 5: Solve for x
    x = 443,863,013.85/27,438.54
  6. Step 6: Final answer
    x = 16,176.63

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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.