Home / 28,891.37-43,338.68-8,113.25

Finding the Fourth Proportional to 28,891.37, 43,338.68 and 8,113.25

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Solution

The fourth proportional to 28,891.37, 43,338.68 and 8,113.25 is: 12,170.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,891.37 : 43,338.68 = 8,113.25 : x
  2. Step 2: Convert to fraction form
    28,891.37/43,338.68 = 8,113.25/x
  3. Step 3: Cross multiply
    28,891.37x = 43,338.68 × 8,113.25
  4. Step 4: Simplify right side
    28,891.37x = 351,617,504.94
  5. Step 5: Solve for x
    x = 351,617,504.94/28,891.37
  6. Step 6: Final answer
    x = 12,170.33

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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.