Home / 26,485.25-39,690.92-19,903.73

Finding the Fourth Proportional to 26,485.25, 39,690.92 and 19,903.73

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Solution

The fourth proportional to 26,485.25, 39,690.92 and 19,903.73 is: 29,827.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,485.25 : 39,690.92 = 19,903.73 : x
  2. Step 2: Convert to fraction form
    26,485.25/39,690.92 = 19,903.73/x
  3. Step 3: Cross multiply
    26,485.25x = 39,690.92 × 19,903.73
  4. Step 4: Simplify right side
    26,485.25x = 789,997,206.44
  5. Step 5: Solve for x
    x = 789,997,206.44/26,485.25
  6. Step 6: Final answer
    x = 29,827.82

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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.