Home / 28,746.27-39,669.78-16,171.02

Finding the Fourth Proportional to 28,746.27, 39,669.78 and 16,171.02

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Solution

The fourth proportional to 28,746.27, 39,669.78 and 16,171.02 is: 22,315.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,746.27 : 39,669.78 = 16,171.02 : x
  2. Step 2: Convert to fraction form
    28,746.27/39,669.78 = 16,171.02/x
  3. Step 3: Cross multiply
    28,746.27x = 39,669.78 × 16,171.02
  4. Step 4: Simplify right side
    28,746.27x = 641,500,805.78
  5. Step 5: Solve for x
    x = 641,500,805.78/28,746.27
  6. Step 6: Final answer
    x = 22,315.97

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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.