Home / 25,452.14-38,178.20-7,921.95

Finding the Fourth Proportional to 25,452.14, 38,178.20 and 7,921.95

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Solution

The fourth proportional to 25,452.14, 38,178.20 and 7,921.95 is: 11,882.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,452.14 : 38,178.20 = 7,921.95 : x
  2. Step 2: Convert to fraction form
    25,452.14/38,178.20 = 7,921.95/x
  3. Step 3: Cross multiply
    25,452.14x = 38,178.20 × 7,921.95
  4. Step 4: Simplify right side
    25,452.14x = 302,445,751.88
  5. Step 5: Solve for x
    x = 302,445,751.88/25,452.14
  6. Step 6: Final answer
    x = 11,882.92

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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.