Home / 40,786.93-56,296.31-27,871.44

Finding the Fourth Proportional to 40,786.93, 56,296.31 and 27,871.44

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Solution

The fourth proportional to 40,786.93, 56,296.31 and 27,871.44 is: 38,469.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,786.93 : 56,296.31 = 27,871.44 : x
  2. Step 2: Convert to fraction form
    40,786.93/56,296.31 = 27,871.44/x
  3. Step 3: Cross multiply
    40,786.93x = 56,296.31 × 27,871.44
  4. Step 4: Simplify right side
    40,786.93x = 1,569,059,137.21
  5. Step 5: Solve for x
    x = 1,569,059,137.21/40,786.93
  6. Step 6: Final answer
    x = 38,469.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.