Home / 27,428.22-41,128.56-10,775.43

Finding the Fourth Proportional to 27,428.22, 41,128.56 and 10,775.43

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Solution

The fourth proportional to 27,428.22, 41,128.56 and 10,775.43 is: 16,157.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,428.22 : 41,128.56 = 10,775.43 : x
  2. Step 2: Convert to fraction form
    27,428.22/41,128.56 = 10,775.43/x
  3. Step 3: Cross multiply
    27,428.22x = 41,128.56 × 10,775.43
  4. Step 4: Simplify right side
    27,428.22x = 443,177,919.28
  5. Step 5: Solve for x
    x = 443,177,919.28/27,428.22
  6. Step 6: Final answer
    x = 16,157.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.