Home / 23,401.20-35,115.68-8,620.47

Finding the Fourth Proportional to 23,401.20, 35,115.68 and 8,620.47

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Solution

The fourth proportional to 23,401.20, 35,115.68 and 8,620.47 is: 12,935.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,401.20 : 35,115.68 = 8,620.47 : x
  2. Step 2: Convert to fraction form
    23,401.20/35,115.68 = 8,620.47/x
  3. Step 3: Cross multiply
    23,401.20x = 35,115.68 × 8,620.47
  4. Step 4: Simplify right side
    23,401.20x = 302,713,622.87
  5. Step 5: Solve for x
    x = 302,713,622.87/23,401.20
  6. Step 6: Final answer
    x = 12,935.82

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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.