Home / 26,940.78-37,178.27-15,004.11

Finding the Fourth Proportional to 26,940.78, 37,178.27 and 15,004.11

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Solution

The fourth proportional to 26,940.78, 37,178.27 and 15,004.11 is: 20,705.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,940.78 : 37,178.27 = 15,004.11 : x
  2. Step 2: Convert to fraction form
    26,940.78/37,178.27 = 15,004.11/x
  3. Step 3: Cross multiply
    26,940.78x = 37,178.27 × 15,004.11
  4. Step 4: Simplify right side
    26,940.78x = 557,826,889.89
  5. Step 5: Solve for x
    x = 557,826,889.89/26,940.78
  6. Step 6: Final answer
    x = 20,705.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.