Home / 26,851.31-40,284.26-8,131.98

Finding the Fourth Proportional to 26,851.31, 40,284.26 and 8,131.98

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Solution

The fourth proportional to 26,851.31, 40,284.26 and 8,131.98 is: 12,200.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,851.31 : 40,284.26 = 8,131.98 : x
  2. Step 2: Convert to fraction form
    26,851.31/40,284.26 = 8,131.98/x
  3. Step 3: Cross multiply
    26,851.31x = 40,284.26 × 8,131.98
  4. Step 4: Simplify right side
    26,851.31x = 327,590,796.63
  5. Step 5: Solve for x
    x = 327,590,796.63/26,851.31
  6. Step 6: Final answer
    x = 12,200.18

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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.