Home / 25,714.82-38,576.55-8,190.02

Finding the Fourth Proportional to 25,714.82, 38,576.55 and 8,190.02

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Solution

The fourth proportional to 25,714.82, 38,576.55 and 8,190.02 is: 12,286.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,714.82 : 38,576.55 = 8,190.02 : x
  2. Step 2: Convert to fraction form
    25,714.82/38,576.55 = 8,190.02/x
  3. Step 3: Cross multiply
    25,714.82x = 38,576.55 × 8,190.02
  4. Step 4: Simplify right side
    25,714.82x = 315,942,716.03
  5. Step 5: Solve for x
    x = 315,942,716.03/25,714.82
  6. Step 6: Final answer
    x = 12,286.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.