Home / 26,107.20-39,157.11-8,574.75

Finding the Fourth Proportional to 26,107.20, 39,157.11 and 8,574.75

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Solution

The fourth proportional to 26,107.20, 39,157.11 and 8,574.75 is: 12,860.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,107.20 : 39,157.11 = 8,574.75 : x
  2. Step 2: Convert to fraction form
    26,107.20/39,157.11 = 8,574.75/x
  3. Step 3: Cross multiply
    26,107.20x = 39,157.11 × 8,574.75
  4. Step 4: Simplify right side
    26,107.20x = 335,762,428.97
  5. Step 5: Solve for x
    x = 335,762,428.97/26,107.20
  6. Step 6: Final answer
    x = 12,860.91

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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.