Home / 20,296.26-27,999.32-12,333.15

Finding the Fourth Proportional to 20,296.26, 27,999.32 and 12,333.15

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Solution

The fourth proportional to 20,296.26, 27,999.32 and 12,333.15 is: 17,013.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,296.26 : 27,999.32 = 12,333.15 : x
  2. Step 2: Convert to fraction form
    20,296.26/27,999.32 = 12,333.15/x
  3. Step 3: Cross multiply
    20,296.26x = 27,999.32 × 12,333.15
  4. Step 4: Simplify right side
    20,296.26x = 345,319,751.79
  5. Step 5: Solve for x
    x = 345,319,751.79/20,296.26
  6. Step 6: Final answer
    x = 17,013.96

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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.