Home / 26,122.90-39,179.24-8,348.79

Finding the Fourth Proportional to 26,122.90, 39,179.24 and 8,348.79

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Solution

The fourth proportional to 26,122.90, 39,179.24 and 8,348.79 is: 12,521.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,122.90 : 39,179.24 = 8,348.79 : x
  2. Step 2: Convert to fraction form
    26,122.90/39,179.24 = 8,348.79/x
  3. Step 3: Cross multiply
    26,122.90x = 39,179.24 × 8,348.79
  4. Step 4: Simplify right side
    26,122.90x = 327,099,100.20
  5. Step 5: Solve for x
    x = 327,099,100.20/26,122.90
  6. Step 6: Final answer
    x = 12,521.55

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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.