Home / 27,320.94-37,704.78-15,222.33

Finding the Fourth Proportional to 27,320.94, 37,704.78 and 15,222.33

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Solution

The fourth proportional to 27,320.94, 37,704.78 and 15,222.33 is: 21,007.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.94 : 37,704.78 = 15,222.33 : x
  2. Step 2: Convert to fraction form
    27,320.94/37,704.78 = 15,222.33/x
  3. Step 3: Cross multiply
    27,320.94x = 37,704.78 × 15,222.33
  4. Step 4: Simplify right side
    27,320.94x = 573,954,603.74
  5. Step 5: Solve for x
    x = 573,954,603.74/27,320.94
  6. Step 6: Final answer
    x = 21,007.86

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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.