Home / 28,166.33-38,866.87-16,833.57

Finding the Fourth Proportional to 28,166.33, 38,866.87 and 16,833.57

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Solution

The fourth proportional to 28,166.33, 38,866.87 and 16,833.57 is: 23,228.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,166.33 : 38,866.87 = 16,833.57 : x
  2. Step 2: Convert to fraction form
    28,166.33/38,866.87 = 16,833.57/x
  3. Step 3: Cross multiply
    28,166.33x = 38,866.87 × 16,833.57
  4. Step 4: Simplify right side
    28,166.33x = 654,268,176.83
  5. Step 5: Solve for x
    x = 654,268,176.83/28,166.33
  6. Step 6: Final answer
    x = 23,228.73

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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.