Home / 27,749.52-38,293.56-15,174

Finding the Fourth Proportional to 27,749.52, 38,293.56 and 15,174

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Solution

The fourth proportional to 27,749.52, 38,293.56 and 15,174 is: 20,939.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,749.52 : 38,293.56 = 15,174 : x
  2. Step 2: Convert to fraction form
    27,749.52/38,293.56 = 15,174/x
  3. Step 3: Cross multiply
    27,749.52x = 38,293.56 × 15,174
  4. Step 4: Simplify right side
    27,749.52x = 581,066,479.44
  5. Step 5: Solve for x
    x = 581,066,479.44/27,749.52
  6. Step 6: Final answer
    x = 20,939.69

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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.