Home / 27,418.88-41,145.33-12,629.90

Finding the Fourth Proportional to 27,418.88, 41,145.33 and 12,629.90

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Solution

The fourth proportional to 27,418.88, 41,145.33 and 12,629.90 is: 18,952.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,418.88 : 41,145.33 = 12,629.90 : x
  2. Step 2: Convert to fraction form
    27,418.88/41,145.33 = 12,629.90/x
  3. Step 3: Cross multiply
    27,418.88x = 41,145.33 × 12,629.90
  4. Step 4: Simplify right side
    27,418.88x = 519,661,403.37
  5. Step 5: Solve for x
    x = 519,661,403.37/27,418.88
  6. Step 6: Final answer
    x = 18,952.69

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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.