Home / 20,022.12-27,630.33-11,069.84

Finding the Fourth Proportional to 20,022.12, 27,630.33 and 11,069.84

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Solution

The fourth proportional to 20,022.12, 27,630.33 and 11,069.84 is: 15,276.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.12 : 27,630.33 = 11,069.84 : x
  2. Step 2: Convert to fraction form
    20,022.12/27,630.33 = 11,069.84/x
  3. Step 3: Cross multiply
    20,022.12x = 27,630.33 × 11,069.84
  4. Step 4: Simplify right side
    20,022.12x = 305,863,332.25
  5. Step 5: Solve for x
    x = 305,863,332.25/20,022.12
  6. Step 6: Final answer
    x = 15,276.27

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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.