Home / 20,022.52-27,629.85-11,069.49

Finding the Fourth Proportional to 20,022.52, 27,629.85 and 11,069.49

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Solution

The fourth proportional to 20,022.52, 27,629.85 and 11,069.49 is: 15,275.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.52 : 27,629.85 = 11,069.49 : x
  2. Step 2: Convert to fraction form
    20,022.52/27,629.85 = 11,069.49/x
  3. Step 3: Cross multiply
    20,022.52x = 27,629.85 × 11,069.49
  4. Step 4: Simplify right side
    20,022.52x = 305,848,348.28
  5. Step 5: Solve for x
    x = 305,848,348.28/20,022.52
  6. Step 6: Final answer
    x = 15,275.22

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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.