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Finding the Fourth Proportional to 22,578.80, 33,875.04 and 8,543.13

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Solution

The fourth proportional to 22,578.80, 33,875.04 and 8,543.13 is: 12,817.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,578.80 : 33,875.04 = 8,543.13 : x
  2. Step 2: Convert to fraction form
    22,578.80/33,875.04 = 8,543.13/x
  3. Step 3: Cross multiply
    22,578.80x = 33,875.04 × 8,543.13
  4. Step 4: Simplify right side
    22,578.80x = 289,398,870.48
  5. Step 5: Solve for x
    x = 289,398,870.48/22,578.80
  6. Step 6: Final answer
    x = 12,817.29

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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.