Home / 21,964.88-33,107.72-20,094.86

Finding the Fourth Proportional to 21,964.88, 33,107.72 and 20,094.86

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Solution

The fourth proportional to 21,964.88, 33,107.72 and 20,094.86 is: 30,289.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,964.88 : 33,107.72 = 20,094.86 : x
  2. Step 2: Convert to fraction form
    21,964.88/33,107.72 = 20,094.86/x
  3. Step 3: Cross multiply
    21,964.88x = 33,107.72 × 20,094.86
  4. Step 4: Simplify right side
    21,964.88x = 665,294,998.32
  5. Step 5: Solve for x
    x = 665,294,998.32/21,964.88
  6. Step 6: Final answer
    x = 30,289.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.