Home / 26,758.59-40,199.42-18,879.27

Finding the Fourth Proportional to 26,758.59, 40,199.42 and 18,879.27

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Solution

The fourth proportional to 26,758.59, 40,199.42 and 18,879.27 is: 28,362.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,758.59 : 40,199.42 = 18,879.27 : x
  2. Step 2: Convert to fraction form
    26,758.59/40,199.42 = 18,879.27/x
  3. Step 3: Cross multiply
    26,758.59x = 40,199.42 × 18,879.27
  4. Step 4: Simplify right side
    26,758.59x = 758,935,704.02
  5. Step 5: Solve for x
    x = 758,935,704.02/26,758.59
  6. Step 6: Final answer
    x = 28,362.32

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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.