Home / 27,971.44-38,601.19-15,396.19

Finding the Fourth Proportional to 27,971.44, 38,601.19 and 15,396.19

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Solution

The fourth proportional to 27,971.44, 38,601.19 and 15,396.19 is: 21,247.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,971.44 : 38,601.19 = 15,396.19 : x
  2. Step 2: Convert to fraction form
    27,971.44/38,601.19 = 15,396.19/x
  3. Step 3: Cross multiply
    27,971.44x = 38,601.19 × 15,396.19
  4. Step 4: Simplify right side
    27,971.44x = 594,311,178.21
  5. Step 5: Solve for x
    x = 594,311,178.21/27,971.44
  6. Step 6: Final answer
    x = 21,247.07

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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.