Home / 21,522.19-32,293.03-10,986.78

Finding the Fourth Proportional to 21,522.19, 32,293.03 and 10,986.78

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Solution

The fourth proportional to 21,522.19, 32,293.03 and 10,986.78 is: 16,485.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,522.19 : 32,293.03 = 10,986.78 : x
  2. Step 2: Convert to fraction form
    21,522.19/32,293.03 = 10,986.78/x
  3. Step 3: Cross multiply
    21,522.19x = 32,293.03 × 10,986.78
  4. Step 4: Simplify right side
    21,522.19x = 354,796,416.14
  5. Step 5: Solve for x
    x = 354,796,416.14/21,522.19
  6. Step 6: Final answer
    x = 16,485.14

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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.