Home / 31,906.94-47,787.50-15,278.65

Finding the Fourth Proportional to 31,906.94, 47,787.50 and 15,278.65

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Solution

The fourth proportional to 31,906.94, 47,787.50 and 15,278.65 is: 22,883.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,906.94 : 47,787.50 = 15,278.65 : x
  2. Step 2: Convert to fraction form
    31,906.94/47,787.50 = 15,278.65/x
  3. Step 3: Cross multiply
    31,906.94x = 47,787.50 × 15,278.65
  4. Step 4: Simplify right side
    31,906.94x = 730,128,405.60
  5. Step 5: Solve for x
    x = 730,128,405.60/31,906.94
  6. Step 6: Final answer
    x = 22,883.06

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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.