Home / 25,369.97-35,008.94-13,882.55

Finding the Fourth Proportional to 25,369.97, 35,008.94 and 13,882.55

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Solution

The fourth proportional to 25,369.97, 35,008.94 and 13,882.55 is: 19,157.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,369.97 : 35,008.94 = 13,882.55 : x
  2. Step 2: Convert to fraction form
    25,369.97/35,008.94 = 13,882.55/x
  3. Step 3: Cross multiply
    25,369.97x = 35,008.94 × 13,882.55
  4. Step 4: Simplify right side
    25,369.97x = 486,013,115.54
  5. Step 5: Solve for x
    x = 486,013,115.54/25,369.97
  6. Step 6: Final answer
    x = 19,157.03

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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.