Home / 38,286.39-52,836.53-21,295.43

Finding the Fourth Proportional to 38,286.39, 52,836.53 and 21,295.43

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Solution

The fourth proportional to 38,286.39, 52,836.53 and 21,295.43 is: 29,388.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,286.39 : 52,836.53 = 21,295.43 : x
  2. Step 2: Convert to fraction form
    38,286.39/52,836.53 = 21,295.43/x
  3. Step 3: Cross multiply
    38,286.39x = 52,836.53 × 21,295.43
  4. Step 4: Simplify right side
    38,286.39x = 1,125,176,626.06
  5. Step 5: Solve for x
    x = 1,125,176,626.06/38,286.39
  6. Step 6: Final answer
    x = 29,388.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.