Home / 26,078.26-39,113.26-8,306.62

Finding the Fourth Proportional to 26,078.26, 39,113.26 and 8,306.62

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Solution

The fourth proportional to 26,078.26, 39,113.26 and 8,306.62 is: 12,458.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,078.26 : 39,113.26 = 8,306.62 : x
  2. Step 2: Convert to fraction form
    26,078.26/39,113.26 = 8,306.62/x
  3. Step 3: Cross multiply
    26,078.26x = 39,113.26 × 8,306.62
  4. Step 4: Simplify right side
    26,078.26x = 324,898,987.78
  5. Step 5: Solve for x
    x = 324,898,987.78/26,078.26
  6. Step 6: Final answer
    x = 12,458.61

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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.