Home / 26,912.22-40,368.42-8,192.40

Finding the Fourth Proportional to 26,912.22, 40,368.42 and 8,192.40

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Solution

The fourth proportional to 26,912.22, 40,368.42 and 8,192.40 is: 12,288.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,912.22 : 40,368.42 = 8,192.40 : x
  2. Step 2: Convert to fraction form
    26,912.22/40,368.42 = 8,192.40/x
  3. Step 3: Cross multiply
    26,912.22x = 40,368.42 × 8,192.40
  4. Step 4: Simplify right side
    26,912.22x = 330,714,244.01
  5. Step 5: Solve for x
    x = 330,714,244.01/26,912.22
  6. Step 6: Final answer
    x = 12,288.63

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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.