Home / 25,170.88-34,736.56-13,839.79

Finding the Fourth Proportional to 25,170.88, 34,736.56 and 13,839.79

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Solution

The fourth proportional to 25,170.88, 34,736.56 and 13,839.79 is: 19,099.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,170.88 : 34,736.56 = 13,839.79 : x
  2. Step 2: Convert to fraction form
    25,170.88/34,736.56 = 13,839.79/x
  3. Step 3: Cross multiply
    25,170.88x = 34,736.56 × 13,839.79
  4. Step 4: Simplify right side
    25,170.88x = 480,746,522.04
  5. Step 5: Solve for x
    x = 480,746,522.04/25,170.88
  6. Step 6: Final answer
    x = 19,099.32

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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.