Home / 26,530.12-39,786.73-8,757.48

Finding the Fourth Proportional to 26,530.12, 39,786.73 and 8,757.48

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Solution

The fourth proportional to 26,530.12, 39,786.73 and 8,757.48 is: 13,133.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,530.12 : 39,786.73 = 8,757.48 : x
  2. Step 2: Convert to fraction form
    26,530.12/39,786.73 = 8,757.48/x
  3. Step 3: Cross multiply
    26,530.12x = 39,786.73 × 8,757.48
  4. Step 4: Simplify right side
    26,530.12x = 348,431,619.55
  5. Step 5: Solve for x
    x = 348,431,619.55/26,530.12
  6. Step 6: Final answer
    x = 13,133.43

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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.