Home / 27,693.63-38,217.17-15,118.38

Finding the Fourth Proportional to 27,693.63, 38,217.17 and 15,118.38

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Solution

The fourth proportional to 27,693.63, 38,217.17 and 15,118.38 is: 20,863.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,693.63 : 38,217.17 = 15,118.38 : x
  2. Step 2: Convert to fraction form
    27,693.63/38,217.17 = 15,118.38/x
  3. Step 3: Cross multiply
    27,693.63x = 38,217.17 × 15,118.38
  4. Step 4: Simplify right side
    27,693.63x = 577,781,736.38
  5. Step 5: Solve for x
    x = 577,781,736.38/27,693.63
  6. Step 6: Final answer
    x = 20,863.34

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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.