Home / 26,892.78-40,299.93-15,145.98

Finding the Fourth Proportional to 26,892.78, 40,299.93 and 15,145.98

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Solution

The fourth proportional to 26,892.78, 40,299.93 and 15,145.98 is: 22,696.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,892.78 : 40,299.93 = 15,145.98 : x
  2. Step 2: Convert to fraction form
    26,892.78/40,299.93 = 15,145.98/x
  3. Step 3: Cross multiply
    26,892.78x = 40,299.93 × 15,145.98
  4. Step 4: Simplify right side
    26,892.78x = 610,381,933.78
  5. Step 5: Solve for x
    x = 610,381,933.78/26,892.78
  6. Step 6: Final answer
    x = 22,696.87

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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.