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Finding the Fourth Proportional to 17,195.35, 25,851.35 and 13,729.63

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Solution

The fourth proportional to 17,195.35, 25,851.35 and 13,729.63 is: 20,641.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,195.35 : 25,851.35 = 13,729.63 : x
  2. Step 2: Convert to fraction form
    17,195.35/25,851.35 = 13,729.63/x
  3. Step 3: Cross multiply
    17,195.35x = 25,851.35 × 13,729.63
  4. Step 4: Simplify right side
    17,195.35x = 354,929,470.50
  5. Step 5: Solve for x
    x = 354,929,470.50/17,195.35
  6. Step 6: Final answer
    x = 20,641.01

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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.