Home / 22,857.60-34,270.20-8,812.20

Finding the Fourth Proportional to 22,857.60, 34,270.20 and 8,812.20

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Solution

The fourth proportional to 22,857.60, 34,270.20 and 8,812.20 is: 13,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,857.60 : 34,270.20 = 8,812.20 : x
  2. Step 2: Convert to fraction form
    22,857.60/34,270.20 = 8,812.20/x
  3. Step 3: Cross multiply
    22,857.60x = 34,270.20 × 8,812.20
  4. Step 4: Simplify right side
    22,857.60x = 301,995,856.44
  5. Step 5: Solve for x
    x = 301,995,856.44/22,857.60
  6. Step 6: Final answer
    x = 13,212.05

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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.