Home / 26,080.62-39,128.21-8,562.75

Finding the Fourth Proportional to 26,080.62, 39,128.21 and 8,562.75

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Solution

The fourth proportional to 26,080.62, 39,128.21 and 8,562.75 is: 12,846.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,080.62 : 39,128.21 = 8,562.75 : x
  2. Step 2: Convert to fraction form
    26,080.62/39,128.21 = 8,562.75/x
  3. Step 3: Cross multiply
    26,080.62x = 39,128.21 × 8,562.75
  4. Step 4: Simplify right side
    26,080.62x = 335,044,970.91
  5. Step 5: Solve for x
    x = 335,044,970.91/26,080.62
  6. Step 6: Final answer
    x = 12,846.51

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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.