Home / 25,442.22-38,161.41-12,954.42

Finding the Fourth Proportional to 25,442.22, 38,161.41 and 12,954.42

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Solution

The fourth proportional to 25,442.22, 38,161.41 and 12,954.42 is: 19,430.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,442.22 : 38,161.41 = 12,954.42 : x
  2. Step 2: Convert to fraction form
    25,442.22/38,161.41 = 12,954.42/x
  3. Step 3: Cross multiply
    25,442.22x = 38,161.41 × 12,954.42
  4. Step 4: Simplify right side
    25,442.22x = 494,358,932.93
  5. Step 5: Solve for x
    x = 494,358,932.93/25,442.22
  6. Step 6: Final answer
    x = 19,430.65

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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.