Home / 28,885.94-43,331.37-8,109.44

Finding the Fourth Proportional to 28,885.94, 43,331.37 and 8,109.44

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Solution

The fourth proportional to 28,885.94, 43,331.37 and 8,109.44 is: 12,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,885.94 : 43,331.37 = 8,109.44 : x
  2. Step 2: Convert to fraction form
    28,885.94/43,331.37 = 8,109.44/x
  3. Step 3: Cross multiply
    28,885.94x = 43,331.37 × 8,109.44
  4. Step 4: Simplify right side
    28,885.94x = 351,393,145.13
  5. Step 5: Solve for x
    x = 351,393,145.13/28,885.94
  6. Step 6: Final answer
    x = 12,164.85

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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.