Home / 19,269.70-28,906.47-5,229.96

Finding the Fourth Proportional to 19,269.70, 28,906.47 and 5,229.96

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Solution

The fourth proportional to 19,269.70, 28,906.47 and 5,229.96 is: 7,845.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269.70 : 28,906.47 = 5,229.96 : x
  2. Step 2: Convert to fraction form
    19,269.70/28,906.47 = 5,229.96/x
  3. Step 3: Cross multiply
    19,269.70x = 28,906.47 × 5,229.96
  4. Step 4: Simplify right side
    19,269.70x = 151,179,537.31
  5. Step 5: Solve for x
    x = 151,179,537.31/19,269.70
  6. Step 6: Final answer
    x = 7,845.45

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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.