Home / 27,910.22-38,516.10-15,334.97

Finding the Fourth Proportional to 27,910.22, 38,516.10 and 15,334.97

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Solution

The fourth proportional to 27,910.22, 38,516.10 and 15,334.97 is: 21,162.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,910.22 : 38,516.10 = 15,334.97 : x
  2. Step 2: Convert to fraction form
    27,910.22/38,516.10 = 15,334.97/x
  3. Step 3: Cross multiply
    27,910.22x = 38,516.10 × 15,334.97
  4. Step 4: Simplify right side
    27,910.22x = 590,643,045.44
  5. Step 5: Solve for x
    x = 590,643,045.44/27,910.22
  6. Step 6: Final answer
    x = 21,162.25

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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.