Home / 27,195.40-37,527.78-15,257.80

Finding the Fourth Proportional to 27,195.40, 37,527.78 and 15,257.80

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Solution

The fourth proportional to 27,195.40, 37,527.78 and 15,257.80 is: 21,054.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,195.40 : 37,527.78 = 15,257.80 : x
  2. Step 2: Convert to fraction form
    27,195.40/37,527.78 = 15,257.80/x
  3. Step 3: Cross multiply
    27,195.40x = 37,527.78 × 15,257.80
  4. Step 4: Simplify right side
    27,195.40x = 572,591,361.68
  5. Step 5: Solve for x
    x = 572,591,361.68/27,195.40
  6. Step 6: Final answer
    x = 21,054.71

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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.