Home / 19,084.52-28,621.68-13,521.44

Finding the Fourth Proportional to 19,084.52, 28,621.68 and 13,521.44

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Solution

The fourth proportional to 19,084.52, 28,621.68 and 13,521.44 is: 20,278.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,084.52 : 28,621.68 = 13,521.44 : x
  2. Step 2: Convert to fraction form
    19,084.52/28,621.68 = 13,521.44/x
  3. Step 3: Cross multiply
    19,084.52x = 28,621.68 × 13,521.44
  4. Step 4: Simplify right side
    19,084.52x = 387,006,328.82
  5. Step 5: Solve for x
    x = 387,006,328.82/19,084.52
  6. Step 6: Final answer
    x = 20,278.55

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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.