Home / 27,839.74-41,762.20-9,119.92

Finding the Fourth Proportional to 27,839.74, 41,762.20 and 9,119.92

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Solution

The fourth proportional to 27,839.74, 41,762.20 and 9,119.92 is: 13,680.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,839.74 : 41,762.20 = 9,119.92 : x
  2. Step 2: Convert to fraction form
    27,839.74/41,762.20 = 9,119.92/x
  3. Step 3: Cross multiply
    27,839.74x = 41,762.20 × 9,119.92
  4. Step 4: Simplify right side
    27,839.74x = 380,867,923.02
  5. Step 5: Solve for x
    x = 380,867,923.02/27,839.74
  6. Step 6: Final answer
    x = 13,680.73

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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.