Home / 27,264.72-40,879.56-11,480.04

Finding the Fourth Proportional to 27,264.72, 40,879.56 and 11,480.04

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Solution

The fourth proportional to 27,264.72, 40,879.56 and 11,480.04 is: 17,212.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,264.72 : 40,879.56 = 11,480.04 : x
  2. Step 2: Convert to fraction form
    27,264.72/40,879.56 = 11,480.04/x
  3. Step 3: Cross multiply
    27,264.72x = 40,879.56 × 11,480.04
  4. Step 4: Simplify right side
    27,264.72x = 469,298,983.98
  5. Step 5: Solve for x
    x = 469,298,983.98/27,264.72
  6. Step 6: Final answer
    x = 17,212.68

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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.