Home / 25,377.78-38,044.79-12,212.04

Finding the Fourth Proportional to 25,377.78, 38,044.79 and 12,212.04

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Solution

The fourth proportional to 25,377.78, 38,044.79 and 12,212.04 is: 18,307.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,377.78 : 38,044.79 = 12,212.04 : x
  2. Step 2: Convert to fraction form
    25,377.78/38,044.79 = 12,212.04/x
  3. Step 3: Cross multiply
    25,377.78x = 38,044.79 × 12,212.04
  4. Step 4: Simplify right side
    25,377.78x = 464,604,497.27
  5. Step 5: Solve for x
    x = 464,604,497.27/25,377.78
  6. Step 6: Final answer
    x = 18,307.53

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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.