Home / 26,939.59-40,427.71-9,409.37

Finding the Fourth Proportional to 26,939.59, 40,427.71 and 9,409.37

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Solution

The fourth proportional to 26,939.59, 40,427.71 and 9,409.37 is: 14,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,939.59 : 40,427.71 = 9,409.37 : x
  2. Step 2: Convert to fraction form
    26,939.59/40,427.71 = 9,409.37/x
  3. Step 3: Cross multiply
    26,939.59x = 40,427.71 × 9,409.37
  4. Step 4: Simplify right side
    26,939.59x = 380,399,055.98
  5. Step 5: Solve for x
    x = 380,399,055.98/26,939.59
  6. Step 6: Final answer
    x = 14,120.45

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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.