Home / 27,613.85-41,422.13-7,895.30

Finding the Fourth Proportional to 27,613.85, 41,422.13 and 7,895.30

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Solution

The fourth proportional to 27,613.85, 41,422.13 and 7,895.30 is: 11,843.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,613.85 : 41,422.13 = 7,895.30 : x
  2. Step 2: Convert to fraction form
    27,613.85/41,422.13 = 7,895.30/x
  3. Step 3: Cross multiply
    27,613.85x = 41,422.13 × 7,895.30
  4. Step 4: Simplify right side
    27,613.85x = 327,040,266.28
  5. Step 5: Solve for x
    x = 327,040,266.28/27,613.85
  6. Step 6: Final answer
    x = 11,843.34

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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.