Home / 29,428.38-40,610.31-16,682.75

Finding the Fourth Proportional to 29,428.38, 40,610.31 and 16,682.75

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Solution

The fourth proportional to 29,428.38, 40,610.31 and 16,682.75 is: 23,021.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,428.38 : 40,610.31 = 16,682.75 : x
  2. Step 2: Convert to fraction form
    29,428.38/40,610.31 = 16,682.75/x
  3. Step 3: Cross multiply
    29,428.38x = 40,610.31 × 16,682.75
  4. Step 4: Simplify right side
    29,428.38x = 677,491,446.10
  5. Step 5: Solve for x
    x = 677,491,446.10/29,428.38
  6. Step 6: Final answer
    x = 23,021.70

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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.