Home / 26,910.68-40,361.36-8,186.18

Finding the Fourth Proportional to 26,910.68, 40,361.36 and 8,186.18

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Solution

The fourth proportional to 26,910.68, 40,361.36 and 8,186.18 is: 12,277.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,910.68 : 40,361.36 = 8,186.18 : x
  2. Step 2: Convert to fraction form
    26,910.68/40,361.36 = 8,186.18/x
  3. Step 3: Cross multiply
    26,910.68x = 40,361.36 × 8,186.18
  4. Step 4: Simplify right side
    26,910.68x = 330,405,115.27
  5. Step 5: Solve for x
    x = 330,405,115.27/26,910.68
  6. Step 6: Final answer
    x = 12,277.85

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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.