Home / 26,782.72-40,198.92-13,644.93

Finding the Fourth Proportional to 26,782.72, 40,198.92 and 13,644.93

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Solution

The fourth proportional to 26,782.72, 40,198.92 and 13,644.93 is: 20,480.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,782.72 : 40,198.92 = 13,644.93 : x
  2. Step 2: Convert to fraction form
    26,782.72/40,198.92 = 13,644.93/x
  3. Step 3: Cross multiply
    26,782.72x = 40,198.92 × 13,644.93
  4. Step 4: Simplify right side
    26,782.72x = 548,511,449.48
  5. Step 5: Solve for x
    x = 548,511,449.48/26,782.72
  6. Step 6: Final answer
    x = 20,480.05

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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.