Home / 25,383.92-38,066.49-8,739.36

Finding the Fourth Proportional to 25,383.92, 38,066.49 and 8,739.36

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Solution

The fourth proportional to 25,383.92, 38,066.49 and 8,739.36 is: 13,105.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,383.92 : 38,066.49 = 8,739.36 : x
  2. Step 2: Convert to fraction form
    25,383.92/38,066.49 = 8,739.36/x
  3. Step 3: Cross multiply
    25,383.92x = 38,066.49 × 8,739.36
  4. Step 4: Simplify right side
    25,383.92x = 332,676,760.05
  5. Step 5: Solve for x
    x = 332,676,760.05/25,383.92
  6. Step 6: Final answer
    x = 13,105.81

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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.