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Finding the Fourth Proportional to 18,604.20, 27,906.30 and 17,000.40

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Solution

The fourth proportional to 18,604.20, 27,906.30 and 17,000.40 is: 25,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604.20 : 27,906.30 = 17,000.40 : x
  2. Step 2: Convert to fraction form
    18,604.20/27,906.30 = 17,000.40/x
  3. Step 3: Cross multiply
    18,604.20x = 27,906.30 × 17,000.40
  4. Step 4: Simplify right side
    18,604.20x = 474,418,262.52
  5. Step 5: Solve for x
    x = 474,418,262.52/18,604.20
  6. Step 6: Final answer
    x = 25,500.60

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1.5x scale

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.