Home / 25,512.12-38,276.28-8,871.48

Finding the Fourth Proportional to 25,512.12, 38,276.28 and 8,871.48

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Solution

The fourth proportional to 25,512.12, 38,276.28 and 8,871.48 is: 13,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,512.12 : 38,276.28 = 8,871.48 : x
  2. Step 2: Convert to fraction form
    25,512.12/38,276.28 = 8,871.48/x
  3. Step 3: Cross multiply
    25,512.12x = 38,276.28 × 8,871.48
  4. Step 4: Simplify right side
    25,512.12x = 339,567,252.49
  5. Step 5: Solve for x
    x = 339,567,252.49/25,512.12
  6. Step 6: Final answer
    x = 13,310.04

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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.