Home / 26,990.42-40,473.74-12,198.74

Finding the Fourth Proportional to 26,990.42, 40,473.74 and 12,198.74

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Solution

The fourth proportional to 26,990.42, 40,473.74 and 12,198.74 is: 18,292.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,990.42 : 40,473.74 = 12,198.74 : x
  2. Step 2: Convert to fraction form
    26,990.42/40,473.74 = 12,198.74/x
  3. Step 3: Cross multiply
    26,990.42x = 40,473.74 × 12,198.74
  4. Step 4: Simplify right side
    26,990.42x = 493,728,631.09
  5. Step 5: Solve for x
    x = 493,728,631.09/26,990.42
  6. Step 6: Final answer
    x = 18,292.74

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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.