Home / 26,485.32-39,732.30-8,013

Finding the Fourth Proportional to 26,485.32, 39,732.30 and 8,013

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Solution

The fourth proportional to 26,485.32, 39,732.30 and 8,013 is: 12,020.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,485.32 : 39,732.30 = 8,013 : x
  2. Step 2: Convert to fraction form
    26,485.32/39,732.30 = 8,013/x
  3. Step 3: Cross multiply
    26,485.32x = 39,732.30 × 8,013
  4. Step 4: Simplify right side
    26,485.32x = 318,374,919.90
  5. Step 5: Solve for x
    x = 318,374,919.90/26,485.32
  6. Step 6: Final answer
    x = 12,020.81

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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.