Home / 27,684.29-38,200.55-15,745.37

Finding the Fourth Proportional to 27,684.29, 38,200.55 and 15,745.37

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Solution

The fourth proportional to 27,684.29, 38,200.55 and 15,745.37 is: 21,726.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,684.29 : 38,200.55 = 15,745.37 : x
  2. Step 2: Convert to fraction form
    27,684.29/38,200.55 = 15,745.37/x
  3. Step 3: Cross multiply
    27,684.29x = 38,200.55 × 15,745.37
  4. Step 4: Simplify right side
    27,684.29x = 601,481,524.22
  5. Step 5: Solve for x
    x = 601,481,524.22/27,684.29
  6. Step 6: Final answer
    x = 21,726.45

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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.