Home / 26,433.92-39,650.69-21,201.80

Finding the Fourth Proportional to 26,433.92, 39,650.69 and 21,201.80

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Solution

The fourth proportional to 26,433.92, 39,650.69 and 21,201.80 is: 31,802.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,433.92 : 39,650.69 = 21,201.80 : x
  2. Step 2: Convert to fraction form
    26,433.92/39,650.69 = 21,201.80/x
  3. Step 3: Cross multiply
    26,433.92x = 39,650.69 × 21,201.80
  4. Step 4: Simplify right side
    26,433.92x = 840,665,694.98
  5. Step 5: Solve for x
    x = 840,665,694.98/26,433.92
  6. Step 6: Final answer
    x = 31,802.54

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1.5x scale

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.