Home / 27,678.18-41,512.80-7,952.25

Finding the Fourth Proportional to 27,678.18, 41,512.80 and 7,952.25

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Solution

The fourth proportional to 27,678.18, 41,512.80 and 7,952.25 is: 11,927.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,678.18 : 41,512.80 = 7,952.25 : x
  2. Step 2: Convert to fraction form
    27,678.18/41,512.80 = 7,952.25/x
  3. Step 3: Cross multiply
    27,678.18x = 41,512.80 × 7,952.25
  4. Step 4: Simplify right side
    27,678.18x = 330,120,163.80
  5. Step 5: Solve for x
    x = 330,120,163.80/27,678.18
  6. Step 6: Final answer
    x = 11,927.09

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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.