Home / 27,759.14-38,308.52-15,183.88

Finding the Fourth Proportional to 27,759.14, 38,308.52 and 15,183.88

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Solution

The fourth proportional to 27,759.14, 38,308.52 and 15,183.88 is: 20,954.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,759.14 : 38,308.52 = 15,183.88 : x
  2. Step 2: Convert to fraction form
    27,759.14/38,308.52 = 15,183.88/x
  3. Step 3: Cross multiply
    27,759.14x = 38,308.52 × 15,183.88
  4. Step 4: Simplify right side
    27,759.14x = 581,671,970.66
  5. Step 5: Solve for x
    x = 581,671,970.66/27,759.14
  6. Step 6: Final answer
    x = 20,954.25

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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.