Home / 27,951.36-38,571.84-20,006.88

Finding the Fourth Proportional to 27,951.36, 38,571.84 and 20,006.88

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Solution

The fourth proportional to 27,951.36, 38,571.84 and 20,006.88 is: 27,608.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,951.36 : 38,571.84 = 20,006.88 : x
  2. Step 2: Convert to fraction form
    27,951.36/38,571.84 = 20,006.88/x
  3. Step 3: Cross multiply
    27,951.36x = 38,571.84 × 20,006.88
  4. Step 4: Simplify right side
    27,951.36x = 771,702,174.26
  5. Step 5: Solve for x
    x = 771,702,174.26/27,951.36
  6. Step 6: Final answer
    x = 27,608.75

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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.