Home / 27,632.56-38,132.40-15,057.04

Finding the Fourth Proportional to 27,632.56, 38,132.40 and 15,057.04

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Solution

The fourth proportional to 27,632.56, 38,132.40 and 15,057.04 is: 20,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,632.56 : 38,132.40 = 15,057.04 : x
  2. Step 2: Convert to fraction form
    27,632.56/38,132.40 = 15,057.04/x
  3. Step 3: Cross multiply
    27,632.56x = 38,132.40 × 15,057.04
  4. Step 4: Simplify right side
    27,632.56x = 574,161,072.10
  5. Step 5: Solve for x
    x = 574,161,072.10/27,632.56
  6. Step 6: Final answer
    x = 20,778.42

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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.