Home / 25,320-37,976.04-8,676.18

Finding the Fourth Proportional to 25,320, 37,976.04 and 8,676.18

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Solution

The fourth proportional to 25,320, 37,976.04 and 8,676.18 is: 13,012.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,320 : 37,976.04 = 8,676.18 : x
  2. Step 2: Convert to fraction form
    25,320/37,976.04 = 8,676.18/x
  3. Step 3: Cross multiply
    25,320x = 37,976.04 × 8,676.18
  4. Step 4: Simplify right side
    25,320x = 329,486,958.73
  5. Step 5: Solve for x
    x = 329,486,958.73/25,320
  6. Step 6: Final answer
    x = 13,012.91

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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.