Home / 21,947.76-32,892.48-12,592.26

Finding the Fourth Proportional to 21,947.76, 32,892.48 and 12,592.26

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Solution

The fourth proportional to 21,947.76, 32,892.48 and 12,592.26 is: 18,871.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,947.76 : 32,892.48 = 12,592.26 : x
  2. Step 2: Convert to fraction form
    21,947.76/32,892.48 = 12,592.26/x
  3. Step 3: Cross multiply
    21,947.76x = 32,892.48 × 12,592.26
  4. Step 4: Simplify right side
    21,947.76x = 414,190,660.20
  5. Step 5: Solve for x
    x = 414,190,660.20/21,947.76
  6. Step 6: Final answer
    x = 18,871.66

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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.