Home / 28,201.94-42,324.15-19,295.96

Finding the Fourth Proportional to 28,201.94, 42,324.15 and 19,295.96

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Solution

The fourth proportional to 28,201.94, 42,324.15 and 19,295.96 is: 28,958.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,201.94 : 42,324.15 = 19,295.96 : x
  2. Step 2: Convert to fraction form
    28,201.94/42,324.15 = 19,295.96/x
  3. Step 3: Cross multiply
    28,201.94x = 42,324.15 × 19,295.96
  4. Step 4: Simplify right side
    28,201.94x = 816,685,105.43
  5. Step 5: Solve for x
    x = 816,685,105.43/28,201.94
  6. Step 6: Final answer
    x = 28,958.47

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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.