Home / 26,201.12-39,305.61-12,162.59

Finding the Fourth Proportional to 26,201.12, 39,305.61 and 12,162.59

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Solution

The fourth proportional to 26,201.12, 39,305.61 and 12,162.59 is: 18,245.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,201.12 : 39,305.61 = 12,162.59 : x
  2. Step 2: Convert to fraction form
    26,201.12/39,305.61 = 12,162.59/x
  3. Step 3: Cross multiply
    26,201.12x = 39,305.61 × 12,162.59
  4. Step 4: Simplify right side
    26,201.12x = 478,057,970.00
  5. Step 5: Solve for x
    x = 478,057,970.00/26,201.12
  6. Step 6: Final answer
    x = 18,245.71

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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.