Home / 27,708.33-38,228.09-16,958.21

Finding the Fourth Proportional to 27,708.33, 38,228.09 and 16,958.21

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Solution

The fourth proportional to 27,708.33, 38,228.09 and 16,958.21 is: 23,396.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,708.33 : 38,228.09 = 16,958.21 : x
  2. Step 2: Convert to fraction form
    27,708.33/38,228.09 = 16,958.21/x
  3. Step 3: Cross multiply
    27,708.33x = 38,228.09 × 16,958.21
  4. Step 4: Simplify right side
    27,708.33x = 648,279,702.19
  5. Step 5: Solve for x
    x = 648,279,702.19/27,708.33
  6. Step 6: Final answer
    x = 23,396.56

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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.