Home / 27,976.28-38,598.57-15,874.76

Finding the Fourth Proportional to 27,976.28, 38,598.57 and 15,874.76

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Solution

The fourth proportional to 27,976.28, 38,598.57 and 15,874.76 is: 21,902.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,976.28 : 38,598.57 = 15,874.76 : x
  2. Step 2: Convert to fraction form
    27,976.28/38,598.57 = 15,874.76/x
  3. Step 3: Cross multiply
    27,976.28x = 38,598.57 × 15,874.76
  4. Step 4: Simplify right side
    27,976.28x = 612,743,035.09
  5. Step 5: Solve for x
    x = 612,743,035.09/27,976.28
  6. Step 6: Final answer
    x = 21,902.23

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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.