Home / 20,327.88-30,469.58-10,467.75

Finding the Fourth Proportional to 20,327.88, 30,469.58 and 10,467.75

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Solution

The fourth proportional to 20,327.88, 30,469.58 and 10,467.75 is: 15,690.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,327.88 : 30,469.58 = 10,467.75 : x
  2. Step 2: Convert to fraction form
    20,327.88/30,469.58 = 10,467.75/x
  3. Step 3: Cross multiply
    20,327.88x = 30,469.58 × 10,467.75
  4. Step 4: Simplify right side
    20,327.88x = 318,947,893.71
  5. Step 5: Solve for x
    x = 318,947,893.71/20,327.88
  6. Step 6: Final answer
    x = 15,690.17

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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.