Home / 27,424.11-41,136.16-6,647.61

Finding the Fourth Proportional to 27,424.11, 41,136.16 and 6,647.61

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Solution

The fourth proportional to 27,424.11, 41,136.16 and 6,647.61 is: 9,971.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,424.11 : 41,136.16 = 6,647.61 : x
  2. Step 2: Convert to fraction form
    27,424.11/41,136.16 = 6,647.61/x
  3. Step 3: Cross multiply
    27,424.11x = 41,136.16 × 6,647.61
  4. Step 4: Simplify right side
    27,424.11x = 273,456,909.66
  5. Step 5: Solve for x
    x = 273,456,909.66/27,424.11
  6. Step 6: Final answer
    x = 9,971.41

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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.