Home / 25,170.25-34,734.24-13,839.77

Finding the Fourth Proportional to 25,170.25, 34,734.24 and 13,839.77

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Solution

The fourth proportional to 25,170.25, 34,734.24 and 13,839.77 is: 19,098.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,170.25 : 34,734.24 = 13,839.77 : x
  2. Step 2: Convert to fraction form
    25,170.25/34,734.24 = 13,839.77/x
  3. Step 3: Cross multiply
    25,170.25x = 34,734.24 × 13,839.77
  4. Step 4: Simplify right side
    25,170.25x = 480,713,892.72
  5. Step 5: Solve for x
    x = 480,713,892.72/25,170.25
  6. Step 6: Final answer
    x = 19,098.49

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1.5x scale

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.