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Finding the Fourth Proportional to 73,032, 109,548 and 17,628

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Solution

The fourth proportional to 73,032, 109,548 and 17,628 is: 26,442

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,032 : 109,548 = 17,628 : x
  2. Step 2: Convert to fraction form
    73,032/109,548 = 17,628/x
  3. Step 3: Cross multiply
    73,032x = 109,548 × 17,628
  4. Step 4: Simplify right side
    73,032x = 1,931,112,144
  5. Step 5: Solve for x
    x = 1,931,112,144/73,032
  6. Step 6: Final answer
    x = 26,442

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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.