Home / 26,498.92-39,692.22-18,139.72

Finding the Fourth Proportional to 26,498.92, 39,692.22 and 18,139.72

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Solution

The fourth proportional to 26,498.92, 39,692.22 and 18,139.72 is: 27,171.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,498.92 : 39,692.22 = 18,139.72 : x
  2. Step 2: Convert to fraction form
    26,498.92/39,692.22 = 18,139.72/x
  3. Step 3: Cross multiply
    26,498.92x = 39,692.22 × 18,139.72
  4. Step 4: Simplify right side
    26,498.92x = 720,005,756.98
  5. Step 5: Solve for x
    x = 720,005,756.98/26,498.92
  6. Step 6: Final answer
    x = 27,171.14

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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.