Home / 26,661.45-36,797.09-20,277.74

Finding the Fourth Proportional to 26,661.45, 36,797.09 and 20,277.74

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Solution

The fourth proportional to 26,661.45, 36,797.09 and 20,277.74 is: 27,986.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,661.45 : 36,797.09 = 20,277.74 : x
  2. Step 2: Convert to fraction form
    26,661.45/36,797.09 = 20,277.74/x
  3. Step 3: Cross multiply
    26,661.45x = 36,797.09 × 20,277.74
  4. Step 4: Simplify right side
    26,661.45x = 746,161,814.38
  5. Step 5: Solve for x
    x = 746,161,814.38/26,661.45
  6. Step 6: Final answer
    x = 27,986.54

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Double scale
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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.