Home / 39,864-55,025.28-23,093.76

Finding the Fourth Proportional to 39,864, 55,025.28 and 23,093.76

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Solution

The fourth proportional to 39,864, 55,025.28 and 23,093.76 is: 31,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,864 : 55,025.28 = 23,093.76 : x
  2. Step 2: Convert to fraction form
    39,864/55,025.28 = 23,093.76/x
  3. Step 3: Cross multiply
    39,864x = 55,025.28 × 23,093.76
  4. Step 4: Simplify right side
    39,864x = 1,270,740,610.25
  5. Step 5: Solve for x
    x = 1,270,740,610.25/39,864
  6. Step 6: Final answer
    x = 31,876.90

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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.