Home / 27,926.44-38,571.39-18,478.60

Finding the Fourth Proportional to 27,926.44, 38,571.39 and 18,478.60

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Solution

The fourth proportional to 27,926.44, 38,571.39 and 18,478.60 is: 25,522.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,926.44 : 38,571.39 = 18,478.60 : x
  2. Step 2: Convert to fraction form
    27,926.44/38,571.39 = 18,478.60/x
  3. Step 3: Cross multiply
    27,926.44x = 38,571.39 × 18,478.60
  4. Step 4: Simplify right side
    27,926.44x = 712,745,190.83
  5. Step 5: Solve for x
    x = 712,745,190.83/27,926.44
  6. Step 6: Final answer
    x = 25,522.24

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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.