Home / 38,276.68-57,384.04-11,967.88

Finding the Fourth Proportional to 38,276.68, 57,384.04 and 11,967.88

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Solution

The fourth proportional to 38,276.68, 57,384.04 and 11,967.88 is: 17,942.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,276.68 : 57,384.04 = 11,967.88 : x
  2. Step 2: Convert to fraction form
    38,276.68/57,384.04 = 11,967.88/x
  3. Step 3: Cross multiply
    38,276.68x = 57,384.04 × 11,967.88
  4. Step 4: Simplify right side
    38,276.68x = 686,765,304.64
  5. Step 5: Solve for x
    x = 686,765,304.64/38,276.68
  6. Step 6: Final answer
    x = 17,942.13

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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.