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Finding the Fourth Proportional to 25,393, 38,104.08 and 19,830.73

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Solution

The fourth proportional to 25,393, 38,104.08 and 19,830.73 is: 29,757.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,393 : 38,104.08 = 19,830.73 : x
  2. Step 2: Convert to fraction form
    25,393/38,104.08 = 19,830.73/x
  3. Step 3: Cross multiply
    25,393x = 38,104.08 × 19,830.73
  4. Step 4: Simplify right side
    25,393x = 755,631,722.38
  5. Step 5: Solve for x
    x = 755,631,722.38/25,393
  6. Step 6: Final answer
    x = 29,757.48

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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.