Home / 26,879.16-40,318.68-7,157.72

Finding the Fourth Proportional to 26,879.16, 40,318.68 and 7,157.72

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Solution

The fourth proportional to 26,879.16, 40,318.68 and 7,157.72 is: 10,736.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,879.16 : 40,318.68 = 7,157.72 : x
  2. Step 2: Convert to fraction form
    26,879.16/40,318.68 = 7,157.72/x
  3. Step 3: Cross multiply
    26,879.16x = 40,318.68 × 7,157.72
  4. Step 4: Simplify right side
    26,879.16x = 288,589,822.21
  5. Step 5: Solve for x
    x = 288,589,822.21/26,879.16
  6. Step 6: Final answer
    x = 10,736.56

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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.