Home / 27,081.80-40,646.70-15,974.60

Finding the Fourth Proportional to 27,081.80, 40,646.70 and 15,974.60

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Solution

The fourth proportional to 27,081.80, 40,646.70 and 15,974.60 is: 23,976.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,081.80 : 40,646.70 = 15,974.60 : x
  2. Step 2: Convert to fraction form
    27,081.80/40,646.70 = 15,974.60/x
  3. Step 3: Cross multiply
    27,081.80x = 40,646.70 × 15,974.60
  4. Step 4: Simplify right side
    27,081.80x = 649,314,773.82
  5. Step 5: Solve for x
    x = 649,314,773.82/27,081.80
  6. Step 6: Final answer
    x = 23,976.06

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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.