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Finding the Fourth Proportional to 15,797.64, 23,695.71 and 3,951.49

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Solution

The fourth proportional to 15,797.64, 23,695.71 and 3,951.49 is: 5,927.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,797.64 : 23,695.71 = 3,951.49 : x
  2. Step 2: Convert to fraction form
    15,797.64/23,695.71 = 3,951.49/x
  3. Step 3: Cross multiply
    15,797.64x = 23,695.71 × 3,951.49
  4. Step 4: Simplify right side
    15,797.64x = 93,633,361.11
  5. Step 5: Solve for x
    x = 93,633,361.11/15,797.64
  6. Step 6: Final answer
    x = 5,927.05

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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.