Home / 20,270.26-27,992.21-19,165.82

Finding the Fourth Proportional to 20,270.26, 27,992.21 and 19,165.82

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Solution

The fourth proportional to 20,270.26, 27,992.21 and 19,165.82 is: 26,467.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,270.26 : 27,992.21 = 19,165.82 : x
  2. Step 2: Convert to fraction form
    20,270.26/27,992.21 = 19,165.82/x
  3. Step 3: Cross multiply
    20,270.26x = 27,992.21 × 19,165.82
  4. Step 4: Simplify right side
    20,270.26x = 536,493,632.41
  5. Step 5: Solve for x
    x = 536,493,632.41/20,270.26
  6. Step 6: Final answer
    x = 26,467.04

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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.