Home / 27,736.78-38,188.11-22,449.10

Finding the Fourth Proportional to 27,736.78, 38,188.11 and 22,449.10

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Solution

The fourth proportional to 27,736.78, 38,188.11 and 22,449.10 is: 30,908.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,736.78 : 38,188.11 = 22,449.10 : x
  2. Step 2: Convert to fraction form
    27,736.78/38,188.11 = 22,449.10/x
  3. Step 3: Cross multiply
    27,736.78x = 38,188.11 × 22,449.10
  4. Step 4: Simplify right side
    27,736.78x = 857,288,700.20
  5. Step 5: Solve for x
    x = 857,288,700.20/27,736.78
  6. Step 6: Final answer
    x = 30,908.01

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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.