Home / 38,496.28-57,770.40-13,536.47

Finding the Fourth Proportional to 38,496.28, 57,770.40 and 13,536.47

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Solution

The fourth proportional to 38,496.28, 57,770.40 and 13,536.47 is: 20,313.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,496.28 : 57,770.40 = 13,536.47 : x
  2. Step 2: Convert to fraction form
    38,496.28/57,770.40 = 13,536.47/x
  3. Step 3: Cross multiply
    38,496.28x = 57,770.40 × 13,536.47
  4. Step 4: Simplify right side
    38,496.28x = 782,007,286.49
  5. Step 5: Solve for x
    x = 782,007,286.49/38,496.28
  6. Step 6: Final answer
    x = 20,313.84

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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.