Home / 27,745.58-38,286.91-17,135.39

Finding the Fourth Proportional to 27,745.58, 38,286.91 and 17,135.39

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Solution

The fourth proportional to 27,745.58, 38,286.91 and 17,135.39 is: 23,645.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,745.58 : 38,286.91 = 17,135.39 : x
  2. Step 2: Convert to fraction form
    27,745.58/38,286.91 = 17,135.39/x
  3. Step 3: Cross multiply
    27,745.58x = 38,286.91 × 17,135.39
  4. Step 4: Simplify right side
    27,745.58x = 656,061,251.88
  5. Step 5: Solve for x
    x = 656,061,251.88/27,745.58
  6. Step 6: Final answer
    x = 23,645.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.