Home / 26,512.24-39,761.82-7,787.44

Finding the Fourth Proportional to 26,512.24, 39,761.82 and 7,787.44

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Solution

The fourth proportional to 26,512.24, 39,761.82 and 7,787.44 is: 11,679.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,512.24 : 39,761.82 = 7,787.44 : x
  2. Step 2: Convert to fraction form
    26,512.24/39,761.82 = 7,787.44/x
  3. Step 3: Cross multiply
    26,512.24x = 39,761.82 × 7,787.44
  4. Step 4: Simplify right side
    26,512.24x = 309,642,787.54
  5. Step 5: Solve for x
    x = 309,642,787.54/26,512.24
  6. Step 6: Final answer
    x = 11,679.24

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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.