Home / 27,749.08-38,293.90-15,173.88

Finding the Fourth Proportional to 27,749.08, 38,293.90 and 15,173.88

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Solution

The fourth proportional to 27,749.08, 38,293.90 and 15,173.88 is: 20,940.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,749.08 : 38,293.90 = 15,173.88 : x
  2. Step 2: Convert to fraction form
    27,749.08/38,293.90 = 15,173.88/x
  3. Step 3: Cross multiply
    27,749.08x = 38,293.90 × 15,173.88
  4. Step 4: Simplify right side
    27,749.08x = 581,067,043.33
  5. Step 5: Solve for x
    x = 581,067,043.33/27,749.08
  6. Step 6: Final answer
    x = 20,940.05

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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.