Home / 19,081.13-28,638.17-13,241.84

Finding the Fourth Proportional to 19,081.13, 28,638.17 and 13,241.84

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Solution

The fourth proportional to 19,081.13, 28,638.17 and 13,241.84 is: 19,874.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,081.13 : 28,638.17 = 13,241.84 : x
  2. Step 2: Convert to fraction form
    19,081.13/28,638.17 = 13,241.84/x
  3. Step 3: Cross multiply
    19,081.13x = 28,638.17 × 13,241.84
  4. Step 4: Simplify right side
    19,081.13x = 379,221,998.82
  5. Step 5: Solve for x
    x = 379,221,998.82/19,081.13
  6. Step 6: Final answer
    x = 19,874.19

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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.