Home / 28,367.82-42,551.69-11,709.54

Finding the Fourth Proportional to 28,367.82, 42,551.69 and 11,709.54

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Solution

The fourth proportional to 28,367.82, 42,551.69 and 11,709.54 is: 17,564.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,367.82 : 42,551.69 = 11,709.54 : x
  2. Step 2: Convert to fraction form
    28,367.82/42,551.69 = 11,709.54/x
  3. Step 3: Cross multiply
    28,367.82x = 42,551.69 × 11,709.54
  4. Step 4: Simplify right side
    28,367.82x = 498,260,657.57
  5. Step 5: Solve for x
    x = 498,260,657.57/28,367.82
  6. Step 6: Final answer
    x = 17,564.29

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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.