Home / 21,892.20-32,849.16-10,206.28

Finding the Fourth Proportional to 21,892.20, 32,849.16 and 10,206.28

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Solution

The fourth proportional to 21,892.20, 32,849.16 and 10,206.28 is: 15,314.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,892.20 : 32,849.16 = 10,206.28 : x
  2. Step 2: Convert to fraction form
    21,892.20/32,849.16 = 10,206.28/x
  3. Step 3: Cross multiply
    21,892.20x = 32,849.16 × 10,206.28
  4. Step 4: Simplify right side
    21,892.20x = 335,267,724.72
  5. Step 5: Solve for x
    x = 335,267,724.72/21,892.20
  6. Step 6: Final answer
    x = 15,314.48

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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.