Home / 27,679.22-41,525.75-7,957.78

Finding the Fourth Proportional to 27,679.22, 41,525.75 and 7,957.78

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Solution

The fourth proportional to 27,679.22, 41,525.75 and 7,957.78 is: 11,938.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,679.22 : 41,525.75 = 7,957.78 : x
  2. Step 2: Convert to fraction form
    27,679.22/41,525.75 = 7,957.78/x
  3. Step 3: Cross multiply
    27,679.22x = 41,525.75 × 7,957.78
  4. Step 4: Simplify right side
    27,679.22x = 330,452,574.95
  5. Step 5: Solve for x
    x = 330,452,574.95/27,679.22
  6. Step 6: Final answer
    x = 11,938.65

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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.