Home / 27,910.67-38,517.32-15,336.23

Finding the Fourth Proportional to 27,910.67, 38,517.32 and 15,336.23

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Solution

The fourth proportional to 27,910.67, 38,517.32 and 15,336.23 is: 21,164.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,910.67 : 38,517.32 = 15,336.23 : x
  2. Step 2: Convert to fraction form
    27,910.67/38,517.32 = 15,336.23/x
  3. Step 3: Cross multiply
    27,910.67x = 38,517.32 × 15,336.23
  4. Step 4: Simplify right side
    27,910.67x = 590,710,324.26
  5. Step 5: Solve for x
    x = 590,710,324.26/27,910.67
  6. Step 6: Final answer
    x = 21,164.32

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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.