Home / 26,418.43-39,550.83-20,557.27

Finding the Fourth Proportional to 26,418.43, 39,550.83 and 20,557.27

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Solution

The fourth proportional to 26,418.43, 39,550.83 and 20,557.27 is: 30,776.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,418.43 : 39,550.83 = 20,557.27 : x
  2. Step 2: Convert to fraction form
    26,418.43/39,550.83 = 20,557.27/x
  3. Step 3: Cross multiply
    26,418.43x = 39,550.83 × 20,557.27
  4. Step 4: Simplify right side
    26,418.43x = 813,057,091.03
  5. Step 5: Solve for x
    x = 813,057,091.03/26,418.43
  6. Step 6: Final answer
    x = 30,776.13

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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.