Home / 26,800.26-40,206.19-8,078.73

Finding the Fourth Proportional to 26,800.26, 40,206.19 and 8,078.73

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Solution

The fourth proportional to 26,800.26, 40,206.19 and 8,078.73 is: 12,119.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,800.26 : 40,206.19 = 8,078.73 : x
  2. Step 2: Convert to fraction form
    26,800.26/40,206.19 = 8,078.73/x
  3. Step 3: Cross multiply
    26,800.26x = 40,206.19 × 8,078.73
  4. Step 4: Simplify right side
    26,800.26x = 324,814,752.31
  5. Step 5: Solve for x
    x = 324,814,752.31/26,800.26
  6. Step 6: Final answer
    x = 12,119.84

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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.