Home / 28,150.92-38,854.62-16,216.38

Finding the Fourth Proportional to 28,150.92, 38,854.62 and 16,216.38

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Solution

The fourth proportional to 28,150.92, 38,854.62 and 16,216.38 is: 22,382.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,150.92 : 38,854.62 = 16,216.38 : x
  2. Step 2: Convert to fraction form
    28,150.92/38,854.62 = 16,216.38/x
  3. Step 3: Cross multiply
    28,150.92x = 38,854.62 × 16,216.38
  4. Step 4: Simplify right side
    28,150.92x = 630,081,282.68
  5. Step 5: Solve for x
    x = 630,081,282.68/28,150.92
  6. Step 6: Final answer
    x = 22,382.26

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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.