Home / 21,914.62-32,820.68-10,785.53

Finding the Fourth Proportional to 21,914.62, 32,820.68 and 10,785.53

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Solution

The fourth proportional to 21,914.62, 32,820.68 and 10,785.53 is: 16,153.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,914.62 : 32,820.68 = 10,785.53 : x
  2. Step 2: Convert to fraction form
    21,914.62/32,820.68 = 10,785.53/x
  3. Step 3: Cross multiply
    21,914.62x = 32,820.68 × 10,785.53
  4. Step 4: Simplify right side
    21,914.62x = 353,988,537.78
  5. Step 5: Solve for x
    x = 353,988,537.78/21,914.62
  6. Step 6: Final answer
    x = 16,153.08

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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.