Home / 26,631.64-39,912.66-13,476.88

Finding the Fourth Proportional to 26,631.64, 39,912.66 and 13,476.88

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Solution

The fourth proportional to 26,631.64, 39,912.66 and 13,476.88 is: 20,197.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,631.64 : 39,912.66 = 13,476.88 : x
  2. Step 2: Convert to fraction form
    26,631.64/39,912.66 = 13,476.88/x
  3. Step 3: Cross multiply
    26,631.64x = 39,912.66 × 13,476.88
  4. Step 4: Simplify right side
    26,631.64x = 537,898,129.30
  5. Step 5: Solve for x
    x = 537,898,129.30/26,631.64
  6. Step 6: Final answer
    x = 20,197.71

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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.