Home / 27,844.85-41,769.09-8,121.75

Finding the Fourth Proportional to 27,844.85, 41,769.09 and 8,121.75

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Solution

The fourth proportional to 27,844.85, 41,769.09 and 8,121.75 is: 12,183.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,844.85 : 41,769.09 = 8,121.75 : x
  2. Step 2: Convert to fraction form
    27,844.85/41,769.09 = 8,121.75/x
  3. Step 3: Cross multiply
    27,844.85x = 41,769.09 × 8,121.75
  4. Step 4: Simplify right side
    27,844.85x = 339,238,106.71
  5. Step 5: Solve for x
    x = 339,238,106.71/27,844.85
  6. Step 6: Final answer
    x = 12,183.16

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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.