Home / 25,768.25-38,654.81-8,233.91

Finding the Fourth Proportional to 25,768.25, 38,654.81 and 8,233.91

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Solution

The fourth proportional to 25,768.25, 38,654.81 and 8,233.91 is: 12,351.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,768.25 : 38,654.81 = 8,233.91 : x
  2. Step 2: Convert to fraction form
    25,768.25/38,654.81 = 8,233.91/x
  3. Step 3: Cross multiply
    25,768.25x = 38,654.81 × 8,233.91
  4. Step 4: Simplify right side
    25,768.25x = 318,279,992.16
  5. Step 5: Solve for x
    x = 318,279,992.16/25,768.25
  6. Step 6: Final answer
    x = 12,351.64

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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.