Home / 27,836.75-41,761.94-9,117.78

Finding the Fourth Proportional to 27,836.75, 41,761.94 and 9,117.78

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Solution

The fourth proportional to 27,836.75, 41,761.94 and 9,117.78 is: 13,678.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,836.75 : 41,761.94 = 9,117.78 : x
  2. Step 2: Convert to fraction form
    27,836.75/41,761.94 = 9,117.78/x
  3. Step 3: Cross multiply
    27,836.75x = 41,761.94 × 9,117.78
  4. Step 4: Simplify right side
    27,836.75x = 380,776,135.70
  5. Step 5: Solve for x
    x = 380,776,135.70/27,836.75
  6. Step 6: Final answer
    x = 13,678.90

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1.5x scale

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.