Home / 20,464.72-30,701.57-18,398.00

Finding the Fourth Proportional to 20,464.72, 30,701.57 and 18,398.00

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Solution

The fourth proportional to 20,464.72, 30,701.57 and 18,398.00 is: 27,601.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,464.72 : 30,701.57 = 18,398.00 : x
  2. Step 2: Convert to fraction form
    20,464.72/30,701.57 = 18,398.00/x
  3. Step 3: Cross multiply
    20,464.72x = 30,701.57 × 18,398.00
  4. Step 4: Simplify right side
    20,464.72x = 564,847,469.62
  5. Step 5: Solve for x
    x = 564,847,469.62/20,464.72
  6. Step 6: Final answer
    x = 27,601.04

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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.