Home / 26,286.11-39,405.72-9,642.26

Finding the Fourth Proportional to 26,286.11, 39,405.72 and 9,642.26

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Solution

The fourth proportional to 26,286.11, 39,405.72 and 9,642.26 is: 14,454.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,286.11 : 39,405.72 = 9,642.26 : x
  2. Step 2: Convert to fraction form
    26,286.11/39,405.72 = 9,642.26/x
  3. Step 3: Cross multiply
    26,286.11x = 39,405.72 × 9,642.26
  4. Step 4: Simplify right side
    26,286.11x = 379,960,197.73
  5. Step 5: Solve for x
    x = 379,960,197.73/26,286.11
  6. Step 6: Final answer
    x = 14,454.79

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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.