Home / 22,918.75-31,628.25-12,849.44

Finding the Fourth Proportional to 22,918.75, 31,628.25 and 12,849.44

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Solution

The fourth proportional to 22,918.75, 31,628.25 and 12,849.44 is: 17,732.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,918.75 : 31,628.25 = 12,849.44 : x
  2. Step 2: Convert to fraction form
    22,918.75/31,628.25 = 12,849.44/x
  3. Step 3: Cross multiply
    22,918.75x = 31,628.25 × 12,849.44
  4. Step 4: Simplify right side
    22,918.75x = 406,405,142.54
  5. Step 5: Solve for x
    x = 406,405,142.54/22,918.75
  6. Step 6: Final answer
    x = 17,732.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.