Home / 26,664.75-39,990.99-7,943.10

Finding the Fourth Proportional to 26,664.75, 39,990.99 and 7,943.10

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Solution

The fourth proportional to 26,664.75, 39,990.99 and 7,943.10 is: 11,912.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,664.75 : 39,990.99 = 7,943.10 : x
  2. Step 2: Convert to fraction form
    26,664.75/39,990.99 = 7,943.10/x
  3. Step 3: Cross multiply
    26,664.75x = 39,990.99 × 7,943.10
  4. Step 4: Simplify right side
    26,664.75x = 317,652,432.67
  5. Step 5: Solve for x
    x = 317,652,432.67/26,664.75
  6. Step 6: Final answer
    x = 11,912.82

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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.