Home / 31,787.75-43,767.07-26,997.41

Finding the Fourth Proportional to 31,787.75, 43,767.07 and 26,997.41

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Solution

The fourth proportional to 31,787.75, 43,767.07 and 26,997.41 is: 37,171.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,787.75 : 43,767.07 = 26,997.41 : x
  2. Step 2: Convert to fraction form
    31,787.75/43,767.07 = 26,997.41/x
  3. Step 3: Cross multiply
    31,787.75x = 43,767.07 × 26,997.41
  4. Step 4: Simplify right side
    31,787.75x = 1,181,597,246.96
  5. Step 5: Solve for x
    x = 1,181,597,246.96/31,787.75
  6. Step 6: Final answer
    x = 37,171.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.