Home / 26,821.36-40,216.38-8,095.78

Finding the Fourth Proportional to 26,821.36, 40,216.38 and 8,095.78

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Solution

The fourth proportional to 26,821.36, 40,216.38 and 8,095.78 is: 12,138.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,821.36 : 40,216.38 = 8,095.78 : x
  2. Step 2: Convert to fraction form
    26,821.36/40,216.38 = 8,095.78/x
  3. Step 3: Cross multiply
    26,821.36x = 40,216.38 × 8,095.78
  4. Step 4: Simplify right side
    26,821.36x = 325,582,964.88
  5. Step 5: Solve for x
    x = 325,582,964.88/26,821.36
  6. Step 6: Final answer
    x = 12,138.94

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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.