Home / 26,787.23-40,179.24-11,992.18

Finding the Fourth Proportional to 26,787.23, 40,179.24 and 11,992.18

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Solution

The fourth proportional to 26,787.23, 40,179.24 and 11,992.18 is: 17,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,787.23 : 40,179.24 = 11,992.18 : x
  2. Step 2: Convert to fraction form
    26,787.23/40,179.24 = 11,992.18/x
  3. Step 3: Cross multiply
    26,787.23x = 40,179.24 × 11,992.18
  4. Step 4: Simplify right side
    26,787.23x = 481,836,577.90
  5. Step 5: Solve for x
    x = 481,836,577.90/26,787.23
  6. Step 6: Final answer
    x = 17,987.55

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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.