Home / 38,580.26-57,877.30-13,634.79

Finding the Fourth Proportional to 38,580.26, 57,877.30 and 13,634.79

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Solution

The fourth proportional to 38,580.26, 57,877.30 and 13,634.79 is: 20,454.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,580.26 : 57,877.30 = 13,634.79 : x
  2. Step 2: Convert to fraction form
    38,580.26/57,877.30 = 13,634.79/x
  3. Step 3: Cross multiply
    38,580.26x = 57,877.30 × 13,634.79
  4. Step 4: Simplify right side
    38,580.26x = 789,144,831.27
  5. Step 5: Solve for x
    x = 789,144,831.27/38,580.26
  6. Step 6: Final answer
    x = 20,454.63

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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.