Home / 26,821.99-40,236.74-8,099.90

Finding the Fourth Proportional to 26,821.99, 40,236.74 and 8,099.90

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Solution

The fourth proportional to 26,821.99, 40,236.74 and 8,099.90 is: 12,150.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,821.99 : 40,236.74 = 8,099.90 : x
  2. Step 2: Convert to fraction form
    26,821.99/40,236.74 = 8,099.90/x
  3. Step 3: Cross multiply
    26,821.99x = 40,236.74 × 8,099.90
  4. Step 4: Simplify right side
    26,821.99x = 325,913,570.33
  5. Step 5: Solve for x
    x = 325,913,570.33/26,821.99
  6. Step 6: Final answer
    x = 12,150.99

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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.