Home / 26,761.28-40,166.83-13,623.49

Finding the Fourth Proportional to 26,761.28, 40,166.83 and 13,623.49

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Solution

The fourth proportional to 26,761.28, 40,166.83 and 13,623.49 is: 20,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,761.28 : 40,166.83 = 13,623.49 : x
  2. Step 2: Convert to fraction form
    26,761.28/40,166.83 = 13,623.49/x
  3. Step 3: Cross multiply
    26,761.28x = 40,166.83 × 13,623.49
  4. Step 4: Simplify right side
    26,761.28x = 547,212,206.00
  5. Step 5: Solve for x
    x = 547,212,206.00/26,761.28
  6. Step 6: Final answer
    x = 20,447.91

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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.