Home / 26,865.42-40,286.25-12,073.74

Finding the Fourth Proportional to 26,865.42, 40,286.25 and 12,073.74

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Solution

The fourth proportional to 26,865.42, 40,286.25 and 12,073.74 is: 18,105.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,865.42 : 40,286.25 = 12,073.74 : x
  2. Step 2: Convert to fraction form
    26,865.42/40,286.25 = 12,073.74/x
  3. Step 3: Cross multiply
    26,865.42x = 40,286.25 × 12,073.74
  4. Step 4: Simplify right side
    26,865.42x = 486,405,708.08
  5. Step 5: Solve for x
    x = 486,405,708.08/26,865.42
  6. Step 6: Final answer
    x = 18,105.27

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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.