Home / 27,974.20-41,961.30-25,721.40

Finding the Fourth Proportional to 27,974.20, 41,961.30 and 25,721.40

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Solution

The fourth proportional to 27,974.20, 41,961.30 and 25,721.40 is: 38,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,974.20 : 41,961.30 = 25,721.40 : x
  2. Step 2: Convert to fraction form
    27,974.20/41,961.30 = 25,721.40/x
  3. Step 3: Cross multiply
    27,974.20x = 41,961.30 × 25,721.40
  4. Step 4: Simplify right side
    27,974.20x = 1,079,303,381.82
  5. Step 5: Solve for x
    x = 1,079,303,381.82/27,974.20
  6. Step 6: Final answer
    x = 38,582.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.