Home / 19,304.11-28,906.55-13,372.53

Finding the Fourth Proportional to 19,304.11, 28,906.55 and 13,372.53

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Solution

The fourth proportional to 19,304.11, 28,906.55 and 13,372.53 is: 20,024.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,304.11 : 28,906.55 = 13,372.53 : x
  2. Step 2: Convert to fraction form
    19,304.11/28,906.55 = 13,372.53/x
  3. Step 3: Cross multiply
    19,304.11x = 28,906.55 × 13,372.53
  4. Step 4: Simplify right side
    19,304.11x = 386,553,707.07
  5. Step 5: Solve for x
    x = 386,553,707.07/19,304.11
  6. Step 6: Final answer
    x = 20,024.43

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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.