Home / 17,696.20-26,544.30-16,918.60

Finding the Fourth Proportional to 17,696.20, 26,544.30 and 16,918.60

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Solution

The fourth proportional to 17,696.20, 26,544.30 and 16,918.60 is: 25,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,696.20 : 26,544.30 = 16,918.60 : x
  2. Step 2: Convert to fraction form
    17,696.20/26,544.30 = 16,918.60/x
  3. Step 3: Cross multiply
    17,696.20x = 26,544.30 × 16,918.60
  4. Step 4: Simplify right side
    17,696.20x = 449,092,393.98
  5. Step 5: Solve for x
    x = 449,092,393.98/17,696.20
  6. Step 6: Final answer
    x = 25,377.90

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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.