Home / 25,418.88-38,138.79-11,180.04

Finding the Fourth Proportional to 25,418.88, 38,138.79 and 11,180.04

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Solution

The fourth proportional to 25,418.88, 38,138.79 and 11,180.04 is: 16,774.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,418.88 : 38,138.79 = 11,180.04 : x
  2. Step 2: Convert to fraction form
    25,418.88/38,138.79 = 11,180.04/x
  3. Step 3: Cross multiply
    25,418.88x = 38,138.79 × 11,180.04
  4. Step 4: Simplify right side
    25,418.88x = 426,393,197.75
  5. Step 5: Solve for x
    x = 426,393,197.75/25,418.88
  6. Step 6: Final answer
    x = 16,774.67

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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.