Home / 27,900.12-41,839.92-11,255.70

Finding the Fourth Proportional to 27,900.12, 41,839.92 and 11,255.70

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Solution

The fourth proportional to 27,900.12, 41,839.92 and 11,255.70 is: 16,879.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,900.12 : 41,839.92 = 11,255.70 : x
  2. Step 2: Convert to fraction form
    27,900.12/41,839.92 = 11,255.70/x
  3. Step 3: Cross multiply
    27,900.12x = 41,839.92 × 11,255.70
  4. Step 4: Simplify right side
    27,900.12x = 470,937,587.54
  5. Step 5: Solve for x
    x = 470,937,587.54/27,900.12
  6. Step 6: Final answer
    x = 16,879.41

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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.