Home / 26,640.40-39,933.96-13,452.88

Finding the Fourth Proportional to 26,640.40, 39,933.96 and 13,452.88

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Solution

The fourth proportional to 26,640.40, 39,933.96 and 13,452.88 is: 20,165.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,640.40 : 39,933.96 = 13,452.88 : x
  2. Step 2: Convert to fraction form
    26,640.40/39,933.96 = 13,452.88/x
  3. Step 3: Cross multiply
    26,640.40x = 39,933.96 × 13,452.88
  4. Step 4: Simplify right side
    26,640.40x = 537,226,771.80
  5. Step 5: Solve for x
    x = 537,226,771.80/26,640.40
  6. Step 6: Final answer
    x = 20,165.87

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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.