Home / 26,826.26-40,243.05-10,188.05

Finding the Fourth Proportional to 26,826.26, 40,243.05 and 10,188.05

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Solution

The fourth proportional to 26,826.26, 40,243.05 and 10,188.05 is: 15,283.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,826.26 : 40,243.05 = 10,188.05 : x
  2. Step 2: Convert to fraction form
    26,826.26/40,243.05 = 10,188.05/x
  3. Step 3: Cross multiply
    26,826.26x = 40,243.05 × 10,188.05
  4. Step 4: Simplify right side
    26,826.26x = 409,998,004.34
  5. Step 5: Solve for x
    x = 409,998,004.34/26,826.26
  6. Step 6: Final answer
    x = 15,283.46

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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.