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Finding the Fourth Proportional to 73,010, 109,515 and 17,606

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Solution

The fourth proportional to 73,010, 109,515 and 17,606 is: 26,409

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,010 : 109,515 = 17,606 : x
  2. Step 2: Convert to fraction form
    73,010/109,515 = 17,606/x
  3. Step 3: Cross multiply
    73,010x = 109,515 × 17,606
  4. Step 4: Simplify right side
    73,010x = 1,928,121,090
  5. Step 5: Solve for x
    x = 1,928,121,090/73,010
  6. Step 6: Final answer
    x = 26,409

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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.