Home / 26,147.89-39,223.04-8,617.87

Finding the Fourth Proportional to 26,147.89, 39,223.04 and 8,617.87

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Solution

The fourth proportional to 26,147.89, 39,223.04 and 8,617.87 is: 12,927.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,147.89 : 39,223.04 = 8,617.87 : x
  2. Step 2: Convert to fraction form
    26,147.89/39,223.04 = 8,617.87/x
  3. Step 3: Cross multiply
    26,147.89x = 39,223.04 × 8,617.87
  4. Step 4: Simplify right side
    26,147.89x = 338,019,059.72
  5. Step 5: Solve for x
    x = 338,019,059.72/26,147.89
  6. Step 6: Final answer
    x = 12,927.20

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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.