Home / 26,849.12-37,086.64-20,436.76

Finding the Fourth Proportional to 26,849.12, 37,086.64 and 20,436.76

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Solution

The fourth proportional to 26,849.12, 37,086.64 and 20,436.76 is: 28,229.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,849.12 : 37,086.64 = 20,436.76 : x
  2. Step 2: Convert to fraction form
    26,849.12/37,086.64 = 20,436.76/x
  3. Step 3: Cross multiply
    26,849.12x = 37,086.64 × 20,436.76
  4. Step 4: Simplify right side
    26,849.12x = 757,930,760.89
  5. Step 5: Solve for x
    x = 757,930,760.89/26,849.12
  6. Step 6: Final answer
    x = 28,229.26

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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.