Home / 28,885.44-43,320.60-8,104.08

Finding the Fourth Proportional to 28,885.44, 43,320.60 and 8,104.08

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Solution

The fourth proportional to 28,885.44, 43,320.60 and 8,104.08 is: 12,154.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,885.44 : 43,320.60 = 8,104.08 : x
  2. Step 2: Convert to fraction form
    28,885.44/43,320.60 = 8,104.08/x
  3. Step 3: Cross multiply
    28,885.44x = 43,320.60 × 8,104.08
  4. Step 4: Simplify right side
    28,885.44x = 351,073,608.05
  5. Step 5: Solve for x
    x = 351,073,608.05/28,885.44
  6. Step 6: Final answer
    x = 12,154.00

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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.