Home / 21,884-32,837.28-12,031.04

Finding the Fourth Proportional to 21,884, 32,837.28 and 12,031.04

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Solution

The fourth proportional to 21,884, 32,837.28 and 12,031.04 is: 18,052.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,884 : 32,837.28 = 12,031.04 : x
  2. Step 2: Convert to fraction form
    21,884/32,837.28 = 12,031.04/x
  3. Step 3: Cross multiply
    21,884x = 32,837.28 × 12,031.04
  4. Step 4: Simplify right side
    21,884x = 395,066,629.17
  5. Step 5: Solve for x
    x = 395,066,629.17/21,884
  6. Step 6: Final answer
    x = 18,052.76

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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.