Home / 38,272.68-57,378.04-11,963.88

Finding the Fourth Proportional to 38,272.68, 57,378.04 and 11,963.88

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Solution

The fourth proportional to 38,272.68, 57,378.04 and 11,963.88 is: 17,936.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,272.68 : 57,378.04 = 11,963.88 : x
  2. Step 2: Convert to fraction form
    38,272.68/57,378.04 = 11,963.88/x
  3. Step 3: Cross multiply
    38,272.68x = 57,378.04 × 11,963.88
  4. Step 4: Simplify right side
    38,272.68x = 686,463,985.20
  5. Step 5: Solve for x
    x = 686,463,985.20/38,272.68
  6. Step 6: Final answer
    x = 17,936.14

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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.