Home / 25,728.88-35,494.62-15,113.74

Finding the Fourth Proportional to 25,728.88, 35,494.62 and 15,113.74

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Solution

The fourth proportional to 25,728.88, 35,494.62 and 15,113.74 is: 20,850.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,728.88 : 35,494.62 = 15,113.74 : x
  2. Step 2: Convert to fraction form
    25,728.88/35,494.62 = 15,113.74/x
  3. Step 3: Cross multiply
    25,728.88x = 35,494.62 × 15,113.74
  4. Step 4: Simplify right side
    25,728.88x = 536,456,458.08
  5. Step 5: Solve for x
    x = 536,456,458.08/25,728.88
  6. Step 6: Final answer
    x = 20,850.36

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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.