Home / 26,123.12-36,049.92-14,945.12

Finding the Fourth Proportional to 26,123.12, 36,049.92 and 14,945.12

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Solution

The fourth proportional to 26,123.12, 36,049.92 and 14,945.12 is: 20,624.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,123.12 : 36,049.92 = 14,945.12 : x
  2. Step 2: Convert to fraction form
    26,123.12/36,049.92 = 14,945.12/x
  3. Step 3: Cross multiply
    26,123.12x = 36,049.92 × 14,945.12
  4. Step 4: Simplify right side
    26,123.12x = 538,770,380.39
  5. Step 5: Solve for x
    x = 538,770,380.39/26,123.12
  6. Step 6: Final answer
    x = 20,624.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.