Home / 26,748.54-40,127.70-8,977.38

Finding the Fourth Proportional to 26,748.54, 40,127.70 and 8,977.38

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Solution

The fourth proportional to 26,748.54, 40,127.70 and 8,977.38 is: 13,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,748.54 : 40,127.70 = 8,977.38 : x
  2. Step 2: Convert to fraction form
    26,748.54/40,127.70 = 8,977.38/x
  3. Step 3: Cross multiply
    26,748.54x = 40,127.70 × 8,977.38
  4. Step 4: Simplify right side
    26,748.54x = 360,241,611.43
  5. Step 5: Solve for x
    x = 360,241,611.43/26,748.54
  6. Step 6: Final answer
    x = 13,467.71

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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.