Home / 38,956.47-58,388.56-17,878.75

Finding the Fourth Proportional to 38,956.47, 58,388.56 and 17,878.75

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Solution

The fourth proportional to 38,956.47, 58,388.56 and 17,878.75 is: 26,796.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,956.47 : 58,388.56 = 17,878.75 : x
  2. Step 2: Convert to fraction form
    38,956.47/58,388.56 = 17,878.75/x
  3. Step 3: Cross multiply
    38,956.47x = 58,388.56 × 17,878.75
  4. Step 4: Simplify right side
    38,956.47x = 1,043,914,276.43
  5. Step 5: Solve for x
    x = 1,043,914,276.43/38,956.47
  6. Step 6: Final answer
    x = 26,796.94

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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.