Home / 26,969.16-40,421.96-12,160.74

Finding the Fourth Proportional to 26,969.16, 40,421.96 and 12,160.74

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Solution

The fourth proportional to 26,969.16, 40,421.96 and 12,160.74 is: 18,226.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,969.16 : 40,421.96 = 12,160.74 : x
  2. Step 2: Convert to fraction form
    26,969.16/40,421.96 = 12,160.74/x
  3. Step 3: Cross multiply
    26,969.16x = 40,421.96 × 12,160.74
  4. Step 4: Simplify right side
    26,969.16x = 491,560,945.85
  5. Step 5: Solve for x
    x = 491,560,945.85/26,969.16
  6. Step 6: Final answer
    x = 18,226.78

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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.