Home / 26,728.82-40,107.05-19,393.82

Finding the Fourth Proportional to 26,728.82, 40,107.05 and 19,393.82

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Solution

The fourth proportional to 26,728.82, 40,107.05 and 19,393.82 is: 29,100.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,728.82 : 40,107.05 = 19,393.82 : x
  2. Step 2: Convert to fraction form
    26,728.82/40,107.05 = 19,393.82/x
  3. Step 3: Cross multiply
    26,728.82x = 40,107.05 × 19,393.82
  4. Step 4: Simplify right side
    26,728.82x = 777,828,610.93
  5. Step 5: Solve for x
    x = 777,828,610.93/26,728.82
  6. Step 6: Final answer
    x = 29,100.75

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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.