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Finding the Fourth Proportional to 22,865.79, 34,300.02 and 8,825.90

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Solution

The fourth proportional to 22,865.79, 34,300.02 and 8,825.90 is: 13,239.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,865.79 : 34,300.02 = 8,825.90 : x
  2. Step 2: Convert to fraction form
    22,865.79/34,300.02 = 8,825.90/x
  3. Step 3: Cross multiply
    22,865.79x = 34,300.02 × 8,825.90
  4. Step 4: Simplify right side
    22,865.79x = 302,728,375.02
  5. Step 5: Solve for x
    x = 302,728,375.02/22,865.79
  6. Step 6: Final answer
    x = 13,239.36

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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.