Home / 27,479.27-37,921.14-15,544.94

Finding the Fourth Proportional to 27,479.27, 37,921.14 and 15,544.94

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Solution

The fourth proportional to 27,479.27, 37,921.14 and 15,544.94 is: 21,451.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,479.27 : 37,921.14 = 15,544.94 : x
  2. Step 2: Convert to fraction form
    27,479.27/37,921.14 = 15,544.94/x
  3. Step 3: Cross multiply
    27,479.27x = 37,921.14 × 15,544.94
  4. Step 4: Simplify right side
    27,479.27x = 589,481,846.03
  5. Step 5: Solve for x
    x = 589,481,846.03/27,479.27
  6. Step 6: Final answer
    x = 21,451.87

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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.