Home / 38,928.67-58,397.09-17,865.11

Finding the Fourth Proportional to 38,928.67, 58,397.09 and 17,865.11

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Solution

The fourth proportional to 38,928.67, 58,397.09 and 17,865.11 is: 26,799.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,928.67 : 58,397.09 = 17,865.11 : x
  2. Step 2: Convert to fraction form
    38,928.67/58,397.09 = 17,865.11/x
  3. Step 3: Cross multiply
    38,928.67x = 58,397.09 × 17,865.11
  4. Step 4: Simplify right side
    38,928.67x = 1,043,270,493.20
  5. Step 5: Solve for x
    x = 1,043,270,493.20/38,928.67
  6. Step 6: Final answer
    x = 26,799.54

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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.