Home / 26,107.63-39,168.12-8,577.61

Finding the Fourth Proportional to 26,107.63, 39,168.12 and 8,577.61

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Solution

The fourth proportional to 26,107.63, 39,168.12 and 8,577.61 is: 12,868.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,107.63 : 39,168.12 = 8,577.61 : x
  2. Step 2: Convert to fraction form
    26,107.63/39,168.12 = 8,577.61/x
  3. Step 3: Cross multiply
    26,107.63x = 39,168.12 × 8,577.61
  4. Step 4: Simplify right side
    26,107.63x = 335,968,857.79
  5. Step 5: Solve for x
    x = 335,968,857.79/26,107.63
  6. Step 6: Final answer
    x = 12,868.61

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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.