Home / 26,246.12-39,380.79-13,763.21

Finding the Fourth Proportional to 26,246.12, 39,380.79 and 13,763.21

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Solution

The fourth proportional to 26,246.12, 39,380.79 and 13,763.21 is: 20,650.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,246.12 : 39,380.79 = 13,763.21 : x
  2. Step 2: Convert to fraction form
    26,246.12/39,380.79 = 13,763.21/x
  3. Step 3: Cross multiply
    26,246.12x = 39,380.79 × 13,763.21
  4. Step 4: Simplify right side
    26,246.12x = 542,006,082.74
  5. Step 5: Solve for x
    x = 542,006,082.74/26,246.12
  6. Step 6: Final answer
    x = 20,650.90

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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.