Home / 27,390.16-41,108.55-10,761.82

Finding the Fourth Proportional to 27,390.16, 41,108.55 and 10,761.82

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Solution

The fourth proportional to 27,390.16, 41,108.55 and 10,761.82 is: 16,151.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,390.16 : 41,108.55 = 10,761.82 : x
  2. Step 2: Convert to fraction form
    27,390.16/41,108.55 = 10,761.82/x
  3. Step 3: Cross multiply
    27,390.16x = 41,108.55 × 10,761.82
  4. Step 4: Simplify right side
    27,390.16x = 442,402,672.43
  5. Step 5: Solve for x
    x = 442,402,672.43/27,390.16
  6. Step 6: Final answer
    x = 16,151.89

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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.