Home / 38,587.51-57,882.48-13,286.76

Finding the Fourth Proportional to 38,587.51, 57,882.48 and 13,286.76

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Solution

The fourth proportional to 38,587.51, 57,882.48 and 13,286.76 is: 19,930.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,587.51 : 57,882.48 = 13,286.76 : x
  2. Step 2: Convert to fraction form
    38,587.51/57,882.48 = 13,286.76/x
  3. Step 3: Cross multiply
    38,587.51x = 57,882.48 × 13,286.76
  4. Step 4: Simplify right side
    38,587.51x = 769,070,619.96
  5. Step 5: Solve for x
    x = 769,070,619.96/38,587.51
  6. Step 6: Final answer
    x = 19,930.56

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1.5x scale

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.