Home / 26,107.43-39,111.83-20,235.29

Finding the Fourth Proportional to 26,107.43, 39,111.83 and 20,235.29

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Solution

The fourth proportional to 26,107.43, 39,111.83 and 20,235.29 is: 30,314.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,107.43 : 39,111.83 = 20,235.29 : x
  2. Step 2: Convert to fraction form
    26,107.43/39,111.83 = 20,235.29/x
  3. Step 3: Cross multiply
    26,107.43x = 39,111.83 × 20,235.29
  4. Step 4: Simplify right side
    26,107.43x = 791,439,121.30
  5. Step 5: Solve for x
    x = 791,439,121.30/26,107.43
  6. Step 6: Final answer
    x = 30,314.71

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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.