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Finding the Fourth Proportional to 25,329, 34,954.02 and 14,153.16

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Solution

The fourth proportional to 25,329, 34,954.02 and 14,153.16 is: 19,531.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,329 : 34,954.02 = 14,153.16 : x
  2. Step 2: Convert to fraction form
    25,329/34,954.02 = 14,153.16/x
  3. Step 3: Cross multiply
    25,329x = 34,954.02 × 14,153.16
  4. Step 4: Simplify right side
    25,329x = 494,709,837.70
  5. Step 5: Solve for x
    x = 494,709,837.70/25,329
  6. Step 6: Final answer
    x = 19,531.36

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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.