Home / 27,785.25-41,635.77-18,391.61

Finding the Fourth Proportional to 27,785.25, 41,635.77 and 18,391.61

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Solution

The fourth proportional to 27,785.25, 41,635.77 and 18,391.61 is: 27,559.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,785.25 : 41,635.77 = 18,391.61 : x
  2. Step 2: Convert to fraction form
    27,785.25/41,635.77 = 18,391.61/x
  3. Step 3: Cross multiply
    27,785.25x = 41,635.77 × 18,391.61
  4. Step 4: Simplify right side
    27,785.25x = 765,748,843.89
  5. Step 5: Solve for x
    x = 765,748,843.89/27,785.25
  6. Step 6: Final answer
    x = 27,559.54

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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.