Home / 18,439.98-27,670.91-17,272.44

Finding the Fourth Proportional to 18,439.98, 27,670.91 and 17,272.44

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Solution

The fourth proportional to 18,439.98, 27,670.91 and 17,272.44 is: 25,918.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439.98 : 27,670.91 = 17,272.44 : x
  2. Step 2: Convert to fraction form
    18,439.98/27,670.91 = 17,272.44/x
  3. Step 3: Cross multiply
    18,439.98x = 27,670.91 × 17,272.44
  4. Step 4: Simplify right side
    18,439.98x = 477,944,046.36
  5. Step 5: Solve for x
    x = 477,944,046.36/18,439.98
  6. Step 6: Final answer
    x = 25,918.91

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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.