Home / 27,670.92-38,185.68-15,734.25

Finding the Fourth Proportional to 27,670.92, 38,185.68 and 15,734.25

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Solution

The fourth proportional to 27,670.92, 38,185.68 and 15,734.25 is: 21,713.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,670.92 : 38,185.68 = 15,734.25 : x
  2. Step 2: Convert to fraction form
    27,670.92/38,185.68 = 15,734.25/x
  3. Step 3: Cross multiply
    27,670.92x = 38,185.68 × 15,734.25
  4. Step 4: Simplify right side
    27,670.92x = 600,823,006.04
  5. Step 5: Solve for x
    x = 600,823,006.04/27,670.92
  6. Step 6: Final answer
    x = 21,713.16

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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.