Home / 20,284.18-27,993.57-11,332.97

Finding the Fourth Proportional to 20,284.18, 27,993.57 and 11,332.97

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Solution

The fourth proportional to 20,284.18, 27,993.57 and 11,332.97 is: 15,640.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284.18 : 27,993.57 = 11,332.97 : x
  2. Step 2: Convert to fraction form
    20,284.18/27,993.57 = 11,332.97/x
  3. Step 3: Cross multiply
    20,284.18x = 27,993.57 × 11,332.97
  4. Step 4: Simplify right side
    20,284.18x = 317,250,289.00
  5. Step 5: Solve for x
    x = 317,250,289.00/20,284.18
  6. Step 6: Final answer
    x = 15,640.28

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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.