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Finding the Fourth Proportional to 22,447.64, 33,605.84 and 15,761.10

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Solution

The fourth proportional to 22,447.64, 33,605.84 and 15,761.10 is: 23,595.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,447.64 : 33,605.84 = 15,761.10 : x
  2. Step 2: Convert to fraction form
    22,447.64/33,605.84 = 15,761.10/x
  3. Step 3: Cross multiply
    22,447.64x = 33,605.84 × 15,761.10
  4. Step 4: Simplify right side
    22,447.64x = 529,665,004.82
  5. Step 5: Solve for x
    x = 529,665,004.82/22,447.64
  6. Step 6: Final answer
    x = 23,595.58

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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.