Home / 26,169.61-39,250.56-8,639.59

Finding the Fourth Proportional to 26,169.61, 39,250.56 and 8,639.59

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Solution

The fourth proportional to 26,169.61, 39,250.56 and 8,639.59 is: 12,958.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,169.61 : 39,250.56 = 8,639.59 : x
  2. Step 2: Convert to fraction form
    26,169.61/39,250.56 = 8,639.59/x
  3. Step 3: Cross multiply
    26,169.61x = 39,250.56 × 8,639.59
  4. Step 4: Simplify right side
    26,169.61x = 339,108,745.67
  5. Step 5: Solve for x
    x = 339,108,745.67/26,169.61
  6. Step 6: Final answer
    x = 12,958.11

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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.