Home / 27,682.59-38,203.35-15,747.04

Finding the Fourth Proportional to 27,682.59, 38,203.35 and 15,747.04

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Solution

The fourth proportional to 27,682.59, 38,203.35 and 15,747.04 is: 21,731.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,682.59 : 38,203.35 = 15,747.04 : x
  2. Step 2: Convert to fraction form
    27,682.59/38,203.35 = 15,747.04/x
  3. Step 3: Cross multiply
    27,682.59x = 38,203.35 × 15,747.04
  4. Step 4: Simplify right side
    27,682.59x = 601,589,669.29
  5. Step 5: Solve for x
    x = 601,589,669.29/27,682.59
  6. Step 6: Final answer
    x = 21,731.69

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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.