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Finding the Fourth Proportional to 19,092, 28,640.34 and 5,942.28

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Solution

The fourth proportional to 19,092, 28,640.34 and 5,942.28 is: 8,914.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,092 : 28,640.34 = 5,942.28 : x
  2. Step 2: Convert to fraction form
    19,092/28,640.34 = 5,942.28/x
  3. Step 3: Cross multiply
    19,092x = 28,640.34 × 5,942.28
  4. Step 4: Simplify right side
    19,092x = 170,188,919.58
  5. Step 5: Solve for x
    x = 170,188,919.58/19,092
  6. Step 6: Final answer
    x = 8,914.15

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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.