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Finding the Fourth Proportional to 29,232.88, 43,855.80 and 13,642

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Solution

The fourth proportional to 29,232.88, 43,855.80 and 13,642 is: 20,466.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,232.88 : 43,855.80 = 13,642 : x
  2. Step 2: Convert to fraction form
    29,232.88/43,855.80 = 13,642/x
  3. Step 3: Cross multiply
    29,232.88x = 43,855.80 × 13,642
  4. Step 4: Simplify right side
    29,232.88x = 598,280,823.60
  5. Step 5: Solve for x
    x = 598,280,823.60/29,232.88
  6. Step 6: Final answer
    x = 20,466.02

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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.