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Finding the Fourth Proportional to 17,039.63, 25,522.49 and 8,256.13

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Solution

The fourth proportional to 17,039.63, 25,522.49 and 8,256.13 is: 12,366.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,039.63 : 25,522.49 = 8,256.13 : x
  2. Step 2: Convert to fraction form
    17,039.63/25,522.49 = 8,256.13/x
  3. Step 3: Cross multiply
    17,039.63x = 25,522.49 × 8,256.13
  4. Step 4: Simplify right side
    17,039.63x = 210,716,952.20
  5. Step 5: Solve for x
    x = 210,716,952.20/17,039.63
  6. Step 6: Final answer
    x = 12,366.29

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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.