Home / 31,963.28-47,959.92-16,391.84

Finding the Fourth Proportional to 31,963.28, 47,959.92 and 16,391.84

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Solution

The fourth proportional to 31,963.28, 47,959.92 and 16,391.84 is: 24,595.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,963.28 : 47,959.92 = 16,391.84 : x
  2. Step 2: Convert to fraction form
    31,963.28/47,959.92 = 16,391.84/x
  3. Step 3: Cross multiply
    31,963.28x = 47,959.92 × 16,391.84
  4. Step 4: Simplify right side
    31,963.28x = 786,151,335.05
  5. Step 5: Solve for x
    x = 786,151,335.05/31,963.28
  6. Step 6: Final answer
    x = 24,595.45

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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.