Home / 25,786.08-35,589.60-15,175.20

Finding the Fourth Proportional to 25,786.08, 35,589.60 and 15,175.20

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Solution

The fourth proportional to 25,786.08, 35,589.60 and 15,175.20 is: 20,944.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,786.08 : 35,589.60 = 15,175.20 : x
  2. Step 2: Convert to fraction form
    25,786.08/35,589.60 = 15,175.20/x
  3. Step 3: Cross multiply
    25,786.08x = 35,589.60 × 15,175.20
  4. Step 4: Simplify right side
    25,786.08x = 540,079,297.92
  5. Step 5: Solve for x
    x = 540,079,297.92/25,786.08
  6. Step 6: Final answer
    x = 20,944.61

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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.