Home / 26,348.31-39,463.11-18,485.87

Finding the Fourth Proportional to 26,348.31, 39,463.11 and 18,485.87

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Solution

The fourth proportional to 26,348.31, 39,463.11 and 18,485.87 is: 27,687.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,348.31 : 39,463.11 = 18,485.87 : x
  2. Step 2: Convert to fraction form
    26,348.31/39,463.11 = 18,485.87/x
  3. Step 3: Cross multiply
    26,348.31x = 39,463.11 × 18,485.87
  4. Step 4: Simplify right side
    26,348.31x = 729,509,723.94
  5. Step 5: Solve for x
    x = 729,509,723.94/26,348.31
  6. Step 6: Final answer
    x = 27,687.15

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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.