Home / 20,025.67-27,634.32-11,072.64

Finding the Fourth Proportional to 20,025.67, 27,634.32 and 11,072.64

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Solution

The fourth proportional to 20,025.67, 27,634.32 and 11,072.64 is: 15,279.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.67 : 27,634.32 = 11,072.64 : x
  2. Step 2: Convert to fraction form
    20,025.67/27,634.32 = 11,072.64/x
  3. Step 3: Cross multiply
    20,025.67x = 27,634.32 × 11,072.64
  4. Step 4: Simplify right side
    20,025.67x = 305,984,877.00
  5. Step 5: Solve for x
    x = 305,984,877.00/20,025.67
  6. Step 6: Final answer
    x = 15,279.63

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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.