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Finding the Fourth Proportional to 21,735.66, 32,603.17 and 6,944.38

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Solution

The fourth proportional to 21,735.66, 32,603.17 and 6,944.38 is: 10,416.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,735.66 : 32,603.17 = 6,944.38 : x
  2. Step 2: Convert to fraction form
    21,735.66/32,603.17 = 6,944.38/x
  3. Step 3: Cross multiply
    21,735.66x = 32,603.17 × 6,944.38
  4. Step 4: Simplify right side
    21,735.66x = 226,408,801.68
  5. Step 5: Solve for x
    x = 226,408,801.68/21,735.66
  6. Step 6: Final answer
    x = 10,416.47

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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.