Home / 26,402.89-39,604.94-8,872.87

Finding the Fourth Proportional to 26,402.89, 39,604.94 and 8,872.87

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Solution

The fourth proportional to 26,402.89, 39,604.94 and 8,872.87 is: 13,309.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,402.89 : 39,604.94 = 8,872.87 : x
  2. Step 2: Convert to fraction form
    26,402.89/39,604.94 = 8,872.87/x
  3. Step 3: Cross multiply
    26,402.89x = 39,604.94 × 8,872.87
  4. Step 4: Simplify right side
    26,402.89x = 351,409,483.98
  5. Step 5: Solve for x
    x = 351,409,483.98/26,402.89
  6. Step 6: Final answer
    x = 13,309.51

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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.