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Finding the Fourth Proportional to 38,898, 58,357.44 and 15,540.84

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Solution

The fourth proportional to 38,898, 58,357.44 and 15,540.84 is: 23,315.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,898 : 58,357.44 = 15,540.84 : x
  2. Step 2: Convert to fraction form
    38,898/58,357.44 = 15,540.84/x
  3. Step 3: Cross multiply
    38,898x = 58,357.44 × 15,540.84
  4. Step 4: Simplify right side
    38,898x = 906,923,637.85
  5. Step 5: Solve for x
    x = 906,923,637.85/38,898
  6. Step 6: Final answer
    x = 23,315.43

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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.