Home / 19,034.15-28,531.79-13,474.31

Finding the Fourth Proportional to 19,034.15, 28,531.79 and 13,474.31

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Solution

The fourth proportional to 19,034.15, 28,531.79 and 13,474.31 is: 20,197.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,034.15 : 28,531.79 = 13,474.31 : x
  2. Step 2: Convert to fraction form
    19,034.15/28,531.79 = 13,474.31/x
  3. Step 3: Cross multiply
    19,034.15x = 28,531.79 × 13,474.31
  4. Step 4: Simplify right side
    19,034.15x = 384,446,115.94
  5. Step 5: Solve for x
    x = 384,446,115.94/19,034.15
  6. Step 6: Final answer
    x = 20,197.70

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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.