Home / 23,034.20-31,787.24-12,963.20

Finding the Fourth Proportional to 23,034.20, 31,787.24 and 12,963.20

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Solution

The fourth proportional to 23,034.20, 31,787.24 and 12,963.20 is: 17,889.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,034.20 : 31,787.24 = 12,963.20 : x
  2. Step 2: Convert to fraction form
    23,034.20/31,787.24 = 12,963.20/x
  3. Step 3: Cross multiply
    23,034.20x = 31,787.24 × 12,963.20
  4. Step 4: Simplify right side
    23,034.20x = 412,064,349.57
  5. Step 5: Solve for x
    x = 412,064,349.57/23,034.20
  6. Step 6: Final answer
    x = 17,889.24

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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.