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Finding the Fourth Proportional to 34,245, 51,328.89 and 25,897.95

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Solution

The fourth proportional to 34,245, 51,328.89 and 25,897.95 is: 38,817.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,245 : 51,328.89 = 25,897.95 : x
  2. Step 2: Convert to fraction form
    34,245/51,328.89 = 25,897.95/x
  3. Step 3: Cross multiply
    34,245x = 51,328.89 × 25,897.95
  4. Step 4: Simplify right side
    34,245x = 1,329,313,026.78
  5. Step 5: Solve for x
    x = 1,329,313,026.78/34,245
  6. Step 6: Final answer
    x = 38,817.73

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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.