Home / 28,591.44-42,869.82-12,793.56

Finding the Fourth Proportional to 28,591.44, 42,869.82 and 12,793.56

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Solution

The fourth proportional to 28,591.44, 42,869.82 and 12,793.56 is: 19,182.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,591.44 : 42,869.82 = 12,793.56 : x
  2. Step 2: Convert to fraction form
    28,591.44/42,869.82 = 12,793.56/x
  3. Step 3: Cross multiply
    28,591.44x = 42,869.82 × 12,793.56
  4. Step 4: Simplify right side
    28,591.44x = 548,457,614.36
  5. Step 5: Solve for x
    x = 548,457,614.36/28,591.44
  6. Step 6: Final answer
    x = 19,182.58

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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.