Home / 21,865.44-32,800.32-6,285.36

Finding the Fourth Proportional to 21,865.44, 32,800.32 and 6,285.36

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Solution

The fourth proportional to 21,865.44, 32,800.32 and 6,285.36 is: 9,428.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,865.44 : 32,800.32 = 6,285.36 : x
  2. Step 2: Convert to fraction form
    21,865.44/32,800.32 = 6,285.36/x
  3. Step 3: Cross multiply
    21,865.44x = 32,800.32 × 6,285.36
  4. Step 4: Simplify right side
    21,865.44x = 206,161,819.32
  5. Step 5: Solve for x
    x = 206,161,819.32/21,865.44
  6. Step 6: Final answer
    x = 9,428.66

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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.