Home / 26,029.60-39,021.36-12,174.88

Finding the Fourth Proportional to 26,029.60, 39,021.36 and 12,174.88

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Solution

The fourth proportional to 26,029.60, 39,021.36 and 12,174.88 is: 18,251.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,029.60 : 39,021.36 = 12,174.88 : x
  2. Step 2: Convert to fraction form
    26,029.60/39,021.36 = 12,174.88/x
  3. Step 3: Cross multiply
    26,029.60x = 39,021.36 × 12,174.88
  4. Step 4: Simplify right side
    26,029.60x = 475,080,375.44
  5. Step 5: Solve for x
    x = 475,080,375.44/26,029.60
  6. Step 6: Final answer
    x = 18,251.54

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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.