Home / 20,027.79-29,997.90-10,150.11

Finding the Fourth Proportional to 20,027.79, 29,997.90 and 10,150.11

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Solution

The fourth proportional to 20,027.79, 29,997.90 and 10,150.11 is: 15,202.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.79 : 29,997.90 = 10,150.11 : x
  2. Step 2: Convert to fraction form
    20,027.79/29,997.90 = 10,150.11/x
  3. Step 3: Cross multiply
    20,027.79x = 29,997.90 × 10,150.11
  4. Step 4: Simplify right side
    20,027.79x = 304,481,984.77
  5. Step 5: Solve for x
    x = 304,481,984.77/20,027.79
  6. Step 6: Final answer
    x = 15,202.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.