Home / 27,778.08-41,625.36-11,121.60

Finding the Fourth Proportional to 27,778.08, 41,625.36 and 11,121.60

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Solution

The fourth proportional to 27,778.08, 41,625.36 and 11,121.60 is: 16,665.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,778.08 : 41,625.36 = 11,121.60 : x
  2. Step 2: Convert to fraction form
    27,778.08/41,625.36 = 11,121.60/x
  3. Step 3: Cross multiply
    27,778.08x = 41,625.36 × 11,121.60
  4. Step 4: Simplify right side
    27,778.08x = 462,940,603.78
  5. Step 5: Solve for x
    x = 462,940,603.78/27,778.08
  6. Step 6: Final answer
    x = 16,665.68

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1.5x scale

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.