Home / 20,155.20-30,196.35-16,437.30

Finding the Fourth Proportional to 20,155.20, 30,196.35 and 16,437.30

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Solution

The fourth proportional to 20,155.20, 30,196.35 and 16,437.30 is: 24,626.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155.20 : 30,196.35 = 16,437.30 : x
  2. Step 2: Convert to fraction form
    20,155.20/30,196.35 = 16,437.30/x
  3. Step 3: Cross multiply
    20,155.20x = 30,196.35 × 16,437.30
  4. Step 4: Simplify right side
    20,155.20x = 496,346,463.86
  5. Step 5: Solve for x
    x = 496,346,463.86/20,155.20
  6. Step 6: Final answer
    x = 24,626.22

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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.