Home / 27,137.29-40,635.83-18,729.74

Finding the Fourth Proportional to 27,137.29, 40,635.83 and 18,729.74

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Solution

The fourth proportional to 27,137.29, 40,635.83 and 18,729.74 is: 28,046.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,137.29 : 40,635.83 = 18,729.74 : x
  2. Step 2: Convert to fraction form
    27,137.29/40,635.83 = 18,729.74/x
  3. Step 3: Cross multiply
    27,137.29x = 40,635.83 × 18,729.74
  4. Step 4: Simplify right side
    27,137.29x = 761,098,530.58
  5. Step 5: Solve for x
    x = 761,098,530.58/27,137.29
  6. Step 6: Final answer
    x = 28,046.22

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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.