Home / 26,990.69-40,486.46-8,270.96

Finding the Fourth Proportional to 26,990.69, 40,486.46 and 8,270.96

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Solution

The fourth proportional to 26,990.69, 40,486.46 and 8,270.96 is: 12,406.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,990.69 : 40,486.46 = 8,270.96 : x
  2. Step 2: Convert to fraction form
    26,990.69/40,486.46 = 8,270.96/x
  3. Step 3: Cross multiply
    26,990.69x = 40,486.46 × 8,270.96
  4. Step 4: Simplify right side
    26,990.69x = 334,861,647.41
  5. Step 5: Solve for x
    x = 334,861,647.41/26,990.69
  6. Step 6: Final answer
    x = 12,406.56

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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.