Home / 26,825.85-36,993.78-20,034.81

Finding the Fourth Proportional to 26,825.85, 36,993.78 and 20,034.81

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Solution

The fourth proportional to 26,825.85, 36,993.78 and 20,034.81 is: 27,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,825.85 : 36,993.78 = 20,034.81 : x
  2. Step 2: Convert to fraction form
    26,825.85/36,993.78 = 20,034.81/x
  3. Step 3: Cross multiply
    26,825.85x = 36,993.78 × 20,034.81
  4. Step 4: Simplify right side
    26,825.85x = 741,163,353.48
  5. Step 5: Solve for x
    x = 741,163,353.48/26,825.85
  6. Step 6: Final answer
    x = 27,628.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.