Home / 26,942.88-40,422.72-13,804.47

Finding the Fourth Proportional to 26,942.88, 40,422.72 and 13,804.47

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Solution

The fourth proportional to 26,942.88, 40,422.72 and 13,804.47 is: 20,711.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,942.88 : 40,422.72 = 13,804.47 : x
  2. Step 2: Convert to fraction form
    26,942.88/40,422.72 = 13,804.47/x
  3. Step 3: Cross multiply
    26,942.88x = 40,422.72 × 13,804.47
  4. Step 4: Simplify right side
    26,942.88x = 558,014,225.56
  5. Step 5: Solve for x
    x = 558,014,225.56/26,942.88
  6. Step 6: Final answer
    x = 20,711.01

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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.