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Finding the Fourth Proportional to 25,272, 34,888.32 and 15,850.08

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Solution

The fourth proportional to 25,272, 34,888.32 and 15,850.08 is: 21,881.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,272 : 34,888.32 = 15,850.08 : x
  2. Step 2: Convert to fraction form
    25,272/34,888.32 = 15,850.08/x
  3. Step 3: Cross multiply
    25,272x = 34,888.32 × 15,850.08
  4. Step 4: Simplify right side
    25,272x = 552,982,663.07
  5. Step 5: Solve for x
    x = 552,982,663.07/25,272
  6. Step 6: Final answer
    x = 21,881.24

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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.