Home / 20,735.62-31,129.44-16,626.82

Finding the Fourth Proportional to 20,735.62, 31,129.44 and 16,626.82

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Solution

The fourth proportional to 20,735.62, 31,129.44 and 16,626.82 is: 24,961.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,735.62 : 31,129.44 = 16,626.82 : x
  2. Step 2: Convert to fraction form
    20,735.62/31,129.44 = 16,626.82/x
  3. Step 3: Cross multiply
    20,735.62x = 31,129.44 × 16,626.82
  4. Step 4: Simplify right side
    20,735.62x = 517,583,595.58
  5. Step 5: Solve for x
    x = 517,583,595.58/20,735.62
  6. Step 6: Final answer
    x = 24,961.09

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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.