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Finding the Fourth Proportional to 17,880.72, 26,830 and 8,027.04

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Solution

The fourth proportional to 17,880.72, 26,830 and 8,027.04 is: 12,044.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,880.72 : 26,830 = 8,027.04 : x
  2. Step 2: Convert to fraction form
    17,880.72/26,830 = 8,027.04/x
  3. Step 3: Cross multiply
    17,880.72x = 26,830 × 8,027.04
  4. Step 4: Simplify right side
    17,880.72x = 215,365,483.20
  5. Step 5: Solve for x
    x = 215,365,483.20/17,880.72
  6. Step 6: Final answer
    x = 12,044.56

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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.