Home / 25,949.97-38,823.84-19,728

Finding the Fourth Proportional to 25,949.97, 38,823.84 and 19,728

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Solution

The fourth proportional to 25,949.97, 38,823.84 and 19,728 is: 29,515.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,949.97 : 38,823.84 = 19,728 : x
  2. Step 2: Convert to fraction form
    25,949.97/38,823.84 = 19,728/x
  3. Step 3: Cross multiply
    25,949.97x = 38,823.84 × 19,728
  4. Step 4: Simplify right side
    25,949.97x = 765,916,715.52
  5. Step 5: Solve for x
    x = 765,916,715.52/25,949.97
  6. Step 6: Final answer
    x = 29,515.13

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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.