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Finding the Fourth Proportional to 22,465.77, 33,679.04 and 8,422.03

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Solution

The fourth proportional to 22,465.77, 33,679.04 and 8,422.03 is: 12,625.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,465.77 : 33,679.04 = 8,422.03 : x
  2. Step 2: Convert to fraction form
    22,465.77/33,679.04 = 8,422.03/x
  3. Step 3: Cross multiply
    22,465.77x = 33,679.04 × 8,422.03
  4. Step 4: Simplify right side
    22,465.77x = 283,645,822.11
  5. Step 5: Solve for x
    x = 283,645,822.11/22,465.77
  6. Step 6: Final answer
    x = 12,625.69

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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.