Home / 28,198.62-42,298.41-10,676.70

Finding the Fourth Proportional to 28,198.62, 42,298.41 and 10,676.70

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Solution

The fourth proportional to 28,198.62, 42,298.41 and 10,676.70 is: 16,015.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,198.62 : 42,298.41 = 10,676.70 : x
  2. Step 2: Convert to fraction form
    28,198.62/42,298.41 = 10,676.70/x
  3. Step 3: Cross multiply
    28,198.62x = 42,298.41 × 10,676.70
  4. Step 4: Simplify right side
    28,198.62x = 451,607,434.05
  5. Step 5: Solve for x
    x = 451,607,434.05/28,198.62
  6. Step 6: Final answer
    x = 16,015.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.