Home / 27,811.86-41,719.62-11,169.74

Finding the Fourth Proportional to 27,811.86, 41,719.62 and 11,169.74

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Solution

The fourth proportional to 27,811.86, 41,719.62 and 11,169.74 is: 16,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,811.86 : 41,719.62 = 11,169.74 : x
  2. Step 2: Convert to fraction form
    27,811.86/41,719.62 = 11,169.74/x
  3. Step 3: Cross multiply
    27,811.86x = 41,719.62 × 11,169.74
  4. Step 4: Simplify right side
    27,811.86x = 465,997,099.70
  5. Step 5: Solve for x
    x = 465,997,099.70/27,811.86
  6. Step 6: Final answer
    x = 16,755.34

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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.