Home / 26,286.20-39,435.60-8,756.18

Finding the Fourth Proportional to 26,286.20, 39,435.60 and 8,756.18

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Solution

The fourth proportional to 26,286.20, 39,435.60 and 8,756.18 is: 13,136.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,286.20 : 39,435.60 = 8,756.18 : x
  2. Step 2: Convert to fraction form
    26,286.20/39,435.60 = 8,756.18/x
  3. Step 3: Cross multiply
    26,286.20x = 39,435.60 × 8,756.18
  4. Step 4: Simplify right side
    26,286.20x = 345,305,212.01
  5. Step 5: Solve for x
    x = 345,305,212.01/26,286.20
  6. Step 6: Final answer
    x = 13,136.37

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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.