Home / 22,091.24-30,494.79-15,021.96

Finding the Fourth Proportional to 22,091.24, 30,494.79 and 15,021.96

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Solution

The fourth proportional to 22,091.24, 30,494.79 and 15,021.96 is: 20,736.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,091.24 : 30,494.79 = 15,021.96 : x
  2. Step 2: Convert to fraction form
    22,091.24/30,494.79 = 15,021.96/x
  3. Step 3: Cross multiply
    22,091.24x = 30,494.79 × 15,021.96
  4. Step 4: Simplify right side
    22,091.24x = 458,091,515.59
  5. Step 5: Solve for x
    x = 458,091,515.59/22,091.24
  6. Step 6: Final answer
    x = 20,736.35

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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.