Home / 28,676.27-39,568.83-16,410.71

Finding the Fourth Proportional to 28,676.27, 39,568.83 and 16,410.71

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Solution

The fourth proportional to 28,676.27, 39,568.83 and 16,410.71 is: 22,644.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,676.27 : 39,568.83 = 16,410.71 : x
  2. Step 2: Convert to fraction form
    28,676.27/39,568.83 = 16,410.71/x
  3. Step 3: Cross multiply
    28,676.27x = 39,568.83 × 16,410.71
  4. Step 4: Simplify right side
    28,676.27x = 649,352,594.17
  5. Step 5: Solve for x
    x = 649,352,594.17/28,676.27
  6. Step 6: Final answer
    x = 22,644.25

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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.