Home / 23,990.20-35,984.16-8,406.64

Finding the Fourth Proportional to 23,990.20, 35,984.16 and 8,406.64

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Solution

The fourth proportional to 23,990.20, 35,984.16 and 8,406.64 is: 12,609.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,990.20 : 35,984.16 = 8,406.64 : x
  2. Step 2: Convert to fraction form
    23,990.20/35,984.16 = 8,406.64/x
  3. Step 3: Cross multiply
    23,990.20x = 35,984.16 × 8,406.64
  4. Step 4: Simplify right side
    23,990.20x = 302,505,878.82
  5. Step 5: Solve for x
    x = 302,505,878.82/23,990.20
  6. Step 6: Final answer
    x = 12,609.56

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Similar ratio
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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.