Home / 38,584.76-57,876.54-12,289.28

Finding the Fourth Proportional to 38,584.76, 57,876.54 and 12,289.28

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Solution

The fourth proportional to 38,584.76, 57,876.54 and 12,289.28 is: 18,433.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,584.76 : 57,876.54 = 12,289.28 : x
  2. Step 2: Convert to fraction form
    38,584.76/57,876.54 = 12,289.28/x
  3. Step 3: Cross multiply
    38,584.76x = 57,876.54 × 12,289.28
  4. Step 4: Simplify right side
    38,584.76x = 711,261,005.49
  5. Step 5: Solve for x
    x = 711,261,005.49/38,584.76
  6. Step 6: Final answer
    x = 18,433.73

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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.