Home / 21,137.42-29,103.26-17,944.10

Finding the Fourth Proportional to 21,137.42, 29,103.26 and 17,944.10

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Solution

The fourth proportional to 21,137.42, 29,103.26 and 17,944.10 is: 24,706.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,137.42 : 29,103.26 = 17,944.10 : x
  2. Step 2: Convert to fraction form
    21,137.42/29,103.26 = 17,944.10/x
  3. Step 3: Cross multiply
    21,137.42x = 29,103.26 × 17,944.10
  4. Step 4: Simplify right side
    21,137.42x = 522,231,681.67
  5. Step 5: Solve for x
    x = 522,231,681.67/21,137.42
  6. Step 6: Final answer
    x = 24,706.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.