Home / 20,267.08-27,971.22-11,884.36

Finding the Fourth Proportional to 20,267.08, 27,971.22 and 11,884.36

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Solution

The fourth proportional to 20,267.08, 27,971.22 and 11,884.36 is: 16,401.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,267.08 : 27,971.22 = 11,884.36 : x
  2. Step 2: Convert to fraction form
    20,267.08/27,971.22 = 11,884.36/x
  3. Step 3: Cross multiply
    20,267.08x = 27,971.22 × 11,884.36
  4. Step 4: Simplify right side
    20,267.08x = 332,420,048.12
  5. Step 5: Solve for x
    x = 332,420,048.12/20,267.08
  6. Step 6: Final answer
    x = 16,401.97

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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.