Home / 27,399.52-41,100.54-7,679.44

Finding the Fourth Proportional to 27,399.52, 41,100.54 and 7,679.44

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Solution

The fourth proportional to 27,399.52, 41,100.54 and 7,679.44 is: 11,519.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,399.52 : 41,100.54 = 7,679.44 : x
  2. Step 2: Convert to fraction form
    27,399.52/41,100.54 = 7,679.44/x
  3. Step 3: Cross multiply
    27,399.52x = 41,100.54 × 7,679.44
  4. Step 4: Simplify right side
    27,399.52x = 315,629,130.90
  5. Step 5: Solve for x
    x = 315,629,130.90/27,399.52
  6. Step 6: Final answer
    x = 11,519.51

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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.