Home / 19,180.62-28,732.66-15,238.55

Finding the Fourth Proportional to 19,180.62, 28,732.66 and 15,238.55

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Solution

The fourth proportional to 19,180.62, 28,732.66 and 15,238.55 is: 22,827.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,180.62 : 28,732.66 = 15,238.55 : x
  2. Step 2: Convert to fraction form
    19,180.62/28,732.66 = 15,238.55/x
  3. Step 3: Cross multiply
    19,180.62x = 28,732.66 × 15,238.55
  4. Step 4: Simplify right side
    19,180.62x = 437,844,109.78
  5. Step 5: Solve for x
    x = 437,844,109.78/19,180.62
  6. Step 6: Final answer
    x = 22,827.42

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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.