Home / 26,847.59-40,268.30-7,127.69

Finding the Fourth Proportional to 26,847.59, 40,268.30 and 7,127.69

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Solution

The fourth proportional to 26,847.59, 40,268.30 and 7,127.69 is: 10,690.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,847.59 : 40,268.30 = 7,127.69 : x
  2. Step 2: Convert to fraction form
    26,847.59/40,268.30 = 7,127.69/x
  3. Step 3: Cross multiply
    26,847.59x = 40,268.30 × 7,127.69
  4. Step 4: Simplify right side
    26,847.59x = 287,019,822.92
  5. Step 5: Solve for x
    x = 287,019,822.92/26,847.59
  6. Step 6: Final answer
    x = 10,690.71

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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.