Home / 38,084.10-57,128.58-11,786.64

Finding the Fourth Proportional to 38,084.10, 57,128.58 and 11,786.64

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Solution

The fourth proportional to 38,084.10, 57,128.58 and 11,786.64 is: 17,680.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,084.10 : 57,128.58 = 11,786.64 : x
  2. Step 2: Convert to fraction form
    38,084.10/57,128.58 = 11,786.64/x
  3. Step 3: Cross multiply
    38,084.10x = 57,128.58 × 11,786.64
  4. Step 4: Simplify right side
    38,084.10x = 673,354,006.17
  5. Step 5: Solve for x
    x = 673,354,006.17/38,084.10
  6. Step 6: Final answer
    x = 17,680.71

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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.