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Finding the Fourth Proportional to 22,879.17, 34,315.48 and 8,845.80

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Solution

The fourth proportional to 22,879.17, 34,315.48 and 8,845.80 is: 13,267.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,879.17 : 34,315.48 = 8,845.80 : x
  2. Step 2: Convert to fraction form
    22,879.17/34,315.48 = 8,845.80/x
  3. Step 3: Cross multiply
    22,879.17x = 34,315.48 × 8,845.80
  4. Step 4: Simplify right side
    22,879.17x = 303,547,872.98
  5. Step 5: Solve for x
    x = 303,547,872.98/22,879.17
  6. Step 6: Final answer
    x = 13,267.43

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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.