Home / 21,049.29-29,048.19-11,489.25

Finding the Fourth Proportional to 21,049.29, 29,048.19 and 11,489.25

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Solution

The fourth proportional to 21,049.29, 29,048.19 and 11,489.25 is: 15,855.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,049.29 : 29,048.19 = 11,489.25 : x
  2. Step 2: Convert to fraction form
    21,049.29/29,048.19 = 11,489.25/x
  3. Step 3: Cross multiply
    21,049.29x = 29,048.19 × 11,489.25
  4. Step 4: Simplify right side
    21,049.29x = 333,741,916.96
  5. Step 5: Solve for x
    x = 333,741,916.96/21,049.29
  6. Step 6: Final answer
    x = 15,855.26

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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.