Home / 19,834-27,371.28-10,881.96

Finding the Fourth Proportional to 19,834, 27,371.28 and 10,881.96

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Solution

The fourth proportional to 19,834, 27,371.28 and 10,881.96 is: 15,017.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,834 : 27,371.28 = 10,881.96 : x
  2. Step 2: Convert to fraction form
    19,834/27,371.28 = 10,881.96/x
  3. Step 3: Cross multiply
    19,834x = 27,371.28 × 10,881.96
  4. Step 4: Simplify right side
    19,834x = 297,853,174.11
  5. Step 5: Solve for x
    x = 297,853,174.11/19,834
  6. Step 6: Final answer
    x = 15,017.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.