Home / 26,331.40-39,453.36-18,523.81

Finding the Fourth Proportional to 26,331.40, 39,453.36 and 18,523.81

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Solution

The fourth proportional to 26,331.40, 39,453.36 and 18,523.81 is: 27,754.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,331.40 : 39,453.36 = 18,523.81 : x
  2. Step 2: Convert to fraction form
    26,331.40/39,453.36 = 18,523.81/x
  3. Step 3: Cross multiply
    26,331.40x = 39,453.36 × 18,523.81
  4. Step 4: Simplify right side
    26,331.40x = 730,826,544.50
  5. Step 5: Solve for x
    x = 730,826,544.50/26,331.40
  6. Step 6: Final answer
    x = 27,754.94

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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.