Home / 20,594.20-30,956.10-19,427.80

Finding the Fourth Proportional to 20,594.20, 30,956.10 and 19,427.80

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Solution

The fourth proportional to 20,594.20, 30,956.10 and 19,427.80 is: 29,202.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594.20 : 30,956.10 = 19,427.80 : x
  2. Step 2: Convert to fraction form
    20,594.20/30,956.10 = 19,427.80/x
  3. Step 3: Cross multiply
    20,594.20x = 30,956.10 × 19,427.80
  4. Step 4: Simplify right side
    20,594.20x = 601,408,919.58
  5. Step 5: Solve for x
    x = 601,408,919.58/20,594.20
  6. Step 6: Final answer
    x = 29,202.83

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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.