Home / 26,530.85-39,800.21-8,763.38

Finding the Fourth Proportional to 26,530.85, 39,800.21 and 8,763.38

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Solution

The fourth proportional to 26,530.85, 39,800.21 and 8,763.38 is: 13,146.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,530.85 : 39,800.21 = 8,763.38 : x
  2. Step 2: Convert to fraction form
    26,530.85/39,800.21 = 8,763.38/x
  3. Step 3: Cross multiply
    26,530.85x = 39,800.21 × 8,763.38
  4. Step 4: Simplify right side
    26,530.85x = 348,784,121.49
  5. Step 5: Solve for x
    x = 348,784,121.49/26,530.85
  6. Step 6: Final answer
    x = 13,146.36

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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.