Home / 20,021.46-27,628.38-11,068.80

Finding the Fourth Proportional to 20,021.46, 27,628.38 and 11,068.80

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Solution

The fourth proportional to 20,021.46, 27,628.38 and 11,068.80 is: 15,274.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,021.46 : 27,628.38 = 11,068.80 : x
  2. Step 2: Convert to fraction form
    20,021.46/27,628.38 = 11,068.80/x
  3. Step 3: Cross multiply
    20,021.46x = 27,628.38 × 11,068.80
  4. Step 4: Simplify right side
    20,021.46x = 305,813,012.54
  5. Step 5: Solve for x
    x = 305,813,012.54/20,021.46
  6. Step 6: Final answer
    x = 15,274.26

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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.