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Finding the Fourth Proportional to 56,189, 84,288.36 and 14,636

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Solution

The fourth proportional to 56,189, 84,288.36 and 14,636 is: 21,955.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,189 : 84,288.36 = 14,636 : x
  2. Step 2: Convert to fraction form
    56,189/84,288.36 = 14,636/x
  3. Step 3: Cross multiply
    56,189x = 84,288.36 × 14,636
  4. Step 4: Simplify right side
    56,189x = 1,233,644,436.96
  5. Step 5: Solve for x
    x = 1,233,644,436.96/56,189
  6. Step 6: Final answer
    x = 21,955.27

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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.