Home / 26,881.76-40,339.85-11,299.38

Finding the Fourth Proportional to 26,881.76, 40,339.85 and 11,299.38

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Solution

The fourth proportional to 26,881.76, 40,339.85 and 11,299.38 is: 16,956.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,881.76 : 40,339.85 = 11,299.38 : x
  2. Step 2: Convert to fraction form
    26,881.76/40,339.85 = 11,299.38/x
  3. Step 3: Cross multiply
    26,881.76x = 40,339.85 × 11,299.38
  4. Step 4: Simplify right side
    26,881.76x = 455,815,237.80
  5. Step 5: Solve for x
    x = 455,815,237.80/26,881.76
  6. Step 6: Final answer
    x = 16,956.31

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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.