Home / 17,619.82-26,428.52-8,261.93

Finding the Fourth Proportional to 17,619.82, 26,428.52 and 8,261.93

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Solution

The fourth proportional to 17,619.82, 26,428.52 and 8,261.93 is: 12,392.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619.82 : 26,428.52 = 8,261.93 : x
  2. Step 2: Convert to fraction form
    17,619.82/26,428.52 = 8,261.93/x
  3. Step 3: Cross multiply
    17,619.82x = 26,428.52 × 8,261.93
  4. Step 4: Simplify right side
    17,619.82x = 218,350,668.97
  5. Step 5: Solve for x
    x = 218,350,668.97/17,619.82
  6. Step 6: Final answer
    x = 12,392.33

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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.