Home / 23,320.80-34,981.20-8,530.20

Finding the Fourth Proportional to 23,320.80, 34,981.20 and 8,530.20

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Solution

The fourth proportional to 23,320.80, 34,981.20 and 8,530.20 is: 12,795.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,320.80 : 34,981.20 = 8,530.20 : x
  2. Step 2: Convert to fraction form
    23,320.80/34,981.20 = 8,530.20/x
  3. Step 3: Cross multiply
    23,320.80x = 34,981.20 × 8,530.20
  4. Step 4: Simplify right side
    23,320.80x = 298,396,632.24
  5. Step 5: Solve for x
    x = 298,396,632.24/23,320.80
  6. Step 6: Final answer
    x = 12,795.30

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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.