Home / 26,821.08-40,236.48-8,100.36

Finding the Fourth Proportional to 26,821.08, 40,236.48 and 8,100.36

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Solution

The fourth proportional to 26,821.08, 40,236.48 and 8,100.36 is: 12,152.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,821.08 : 40,236.48 = 8,100.36 : x
  2. Step 2: Convert to fraction form
    26,821.08/40,236.48 = 8,100.36/x
  3. Step 3: Cross multiply
    26,821.08x = 40,236.48 × 8,100.36
  4. Step 4: Simplify right side
    26,821.08x = 325,929,973.13
  5. Step 5: Solve for x
    x = 325,929,973.13/26,821.08
  6. Step 6: Final answer
    x = 12,152.01

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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.