Home / 25,717.14-35,481.78-16,761.38

Finding the Fourth Proportional to 25,717.14, 35,481.78 and 16,761.38

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Solution

The fourth proportional to 25,717.14, 35,481.78 and 16,761.38 is: 23,125.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,717.14 : 35,481.78 = 16,761.38 : x
  2. Step 2: Convert to fraction form
    25,717.14/35,481.78 = 16,761.38/x
  3. Step 3: Cross multiply
    25,717.14x = 35,481.78 × 16,761.38
  4. Step 4: Simplify right side
    25,717.14x = 594,723,420.25
  5. Step 5: Solve for x
    x = 594,723,420.25/25,717.14
  6. Step 6: Final answer
    x = 23,125.57

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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.