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Finding the Fourth Proportional to 25,086, 34,620.84 and 13,910.16

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Solution

The fourth proportional to 25,086, 34,620.84 and 13,910.16 is: 19,197.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,086 : 34,620.84 = 13,910.16 : x
  2. Step 2: Convert to fraction form
    25,086/34,620.84 = 13,910.16/x
  3. Step 3: Cross multiply
    25,086x = 34,620.84 × 13,910.16
  4. Step 4: Simplify right side
    25,086x = 481,581,423.73
  5. Step 5: Solve for x
    x = 481,581,423.73/25,086
  6. Step 6: Final answer
    x = 19,197.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.