Home / 28,112.66-38,801.94-16,182.92

Finding the Fourth Proportional to 28,112.66, 38,801.94 and 16,182.92

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Solution

The fourth proportional to 28,112.66, 38,801.94 and 16,182.92 is: 22,336.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,112.66 : 38,801.94 = 16,182.92 : x
  2. Step 2: Convert to fraction form
    28,112.66/38,801.94 = 16,182.92/x
  3. Step 3: Cross multiply
    28,112.66x = 38,801.94 × 16,182.92
  4. Step 4: Simplify right side
    28,112.66x = 627,928,690.86
  5. Step 5: Solve for x
    x = 627,928,690.86/28,112.66
  6. Step 6: Final answer
    x = 22,336.15

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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.