Home / 27,338.28-40,964.30-19,908.56

Finding the Fourth Proportional to 27,338.28, 40,964.30 and 19,908.56

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Solution

The fourth proportional to 27,338.28, 40,964.30 and 19,908.56 is: 29,831.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,338.28 : 40,964.30 = 19,908.56 : x
  2. Step 2: Convert to fraction form
    27,338.28/40,964.30 = 19,908.56/x
  3. Step 3: Cross multiply
    27,338.28x = 40,964.30 × 19,908.56
  4. Step 4: Simplify right side
    27,338.28x = 815,540,224.41
  5. Step 5: Solve for x
    x = 815,540,224.41/27,338.28
  6. Step 6: Final answer
    x = 29,831.44

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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.