Home / 27,910.56-38,514.72-15,335.04

Finding the Fourth Proportional to 27,910.56, 38,514.72 and 15,335.04

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Solution

The fourth proportional to 27,910.56, 38,514.72 and 15,335.04 is: 21,161.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,910.56 : 38,514.72 = 15,335.04 : x
  2. Step 2: Convert to fraction form
    27,910.56/38,514.72 = 15,335.04/x
  3. Step 3: Cross multiply
    27,910.56x = 38,514.72 × 15,335.04
  4. Step 4: Simplify right side
    27,910.56x = 590,624,771.79
  5. Step 5: Solve for x
    x = 590,624,771.79/27,910.56
  6. Step 6: Final answer
    x = 21,161.34

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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.