Home / 28,959.92-43,371.76-14,122.32

Finding the Fourth Proportional to 28,959.92, 43,371.76 and 14,122.32

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Solution

The fourth proportional to 28,959.92, 43,371.76 and 14,122.32 is: 21,150.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,959.92 : 43,371.76 = 14,122.32 : x
  2. Step 2: Convert to fraction form
    28,959.92/43,371.76 = 14,122.32/x
  3. Step 3: Cross multiply
    28,959.92x = 43,371.76 × 14,122.32
  4. Step 4: Simplify right side
    28,959.92x = 612,509,873.68
  5. Step 5: Solve for x
    x = 612,509,873.68/28,959.92
  6. Step 6: Final answer
    x = 21,150.26

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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.