Home / 26,238.68-39,367.14-8,709.88

Finding the Fourth Proportional to 26,238.68, 39,367.14 and 8,709.88

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Solution

The fourth proportional to 26,238.68, 39,367.14 and 8,709.88 is: 13,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,238.68 : 39,367.14 = 8,709.88 : x
  2. Step 2: Convert to fraction form
    26,238.68/39,367.14 = 8,709.88/x
  3. Step 3: Cross multiply
    26,238.68x = 39,367.14 × 8,709.88
  4. Step 4: Simplify right side
    26,238.68x = 342,883,065.34
  5. Step 5: Solve for x
    x = 342,883,065.34/26,238.68
  6. Step 6: Final answer
    x = 13,067.85

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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.