Home / 26,168.61-39,249.06-8,638.59

Finding the Fourth Proportional to 26,168.61, 39,249.06 and 8,638.59

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Solution

The fourth proportional to 26,168.61, 39,249.06 and 8,638.59 is: 12,956.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,168.61 : 39,249.06 = 8,638.59 : x
  2. Step 2: Convert to fraction form
    26,168.61/39,249.06 = 8,638.59/x
  3. Step 3: Cross multiply
    26,168.61x = 39,249.06 × 8,638.59
  4. Step 4: Simplify right side
    26,168.61x = 339,056,537.23
  5. Step 5: Solve for x
    x = 339,056,537.23/26,168.61
  6. Step 6: Final answer
    x = 12,956.61

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1.5x scale

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.