Home / 25,414.62-38,128.41-7,884.60

Finding the Fourth Proportional to 25,414.62, 38,128.41 and 7,884.60

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Solution

The fourth proportional to 25,414.62, 38,128.41 and 7,884.60 is: 11,828.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,414.62 : 38,128.41 = 7,884.60 : x
  2. Step 2: Convert to fraction form
    25,414.62/38,128.41 = 7,884.60/x
  3. Step 3: Cross multiply
    25,414.62x = 38,128.41 × 7,884.60
  4. Step 4: Simplify right side
    25,414.62x = 300,627,261.49
  5. Step 5: Solve for x
    x = 300,627,261.49/25,414.62
  6. Step 6: Final answer
    x = 11,828.91

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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.