Home / 27,796.22-38,355.27-22,145.30

Finding the Fourth Proportional to 27,796.22, 38,355.27 and 22,145.30

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Solution

The fourth proportional to 27,796.22, 38,355.27 and 22,145.30 is: 30,557.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,796.22 : 38,355.27 = 22,145.30 : x
  2. Step 2: Convert to fraction form
    27,796.22/38,355.27 = 22,145.30/x
  3. Step 3: Cross multiply
    27,796.22x = 38,355.27 × 22,145.30
  4. Step 4: Simplify right side
    27,796.22x = 849,388,960.73
  5. Step 5: Solve for x
    x = 849,388,960.73/27,796.22
  6. Step 6: Final answer
    x = 30,557.71

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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.