Home / 25,712.67-38,573.84-11,673.69

Finding the Fourth Proportional to 25,712.67, 38,573.84 and 11,673.69

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Solution

The fourth proportional to 25,712.67, 38,573.84 and 11,673.69 is: 17,512.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,712.67 : 38,573.84 = 11,673.69 : x
  2. Step 2: Convert to fraction form
    25,712.67/38,573.84 = 11,673.69/x
  3. Step 3: Cross multiply
    25,712.67x = 38,573.84 × 11,673.69
  4. Step 4: Simplify right side
    25,712.67x = 450,298,991.90
  5. Step 5: Solve for x
    x = 450,298,991.90/25,712.67
  6. Step 6: Final answer
    x = 17,512.73

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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.