Home / 27,908.72-38,514.03-15,333.47

Finding the Fourth Proportional to 27,908.72, 38,514.03 and 15,333.47

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Solution

The fourth proportional to 27,908.72, 38,514.03 and 15,333.47 is: 21,160.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,908.72 : 38,514.03 = 15,333.47 : x
  2. Step 2: Convert to fraction form
    27,908.72/38,514.03 = 15,333.47/x
  3. Step 3: Cross multiply
    27,908.72x = 38,514.03 × 15,333.47
  4. Step 4: Simplify right side
    27,908.72x = 590,553,704.19
  5. Step 5: Solve for x
    x = 590,553,704.19/27,908.72
  6. Step 6: Final answer
    x = 21,160.19

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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.