Home / 28,834.28-43,247.70-9,114.84

Finding the Fourth Proportional to 28,834.28, 43,247.70 and 9,114.84

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Solution

The fourth proportional to 28,834.28, 43,247.70 and 9,114.84 is: 13,671.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,834.28 : 43,247.70 = 9,114.84 : x
  2. Step 2: Convert to fraction form
    28,834.28/43,247.70 = 9,114.84/x
  3. Step 3: Cross multiply
    28,834.28x = 43,247.70 × 9,114.84
  4. Step 4: Simplify right side
    28,834.28x = 394,195,865.87
  5. Step 5: Solve for x
    x = 394,195,865.87/28,834.28
  6. Step 6: Final answer
    x = 13,671.08

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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.