Home / 27,910.47-38,516.44-15,335.22

Finding the Fourth Proportional to 27,910.47, 38,516.44 and 15,335.22

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Solution

The fourth proportional to 27,910.47, 38,516.44 and 15,335.22 is: 21,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,910.47 : 38,516.44 = 15,335.22 : x
  2. Step 2: Convert to fraction form
    27,910.47/38,516.44 = 15,335.22/x
  3. Step 3: Cross multiply
    27,910.47x = 38,516.44 × 15,335.22
  4. Step 4: Simplify right side
    27,910.47x = 590,658,081.02
  5. Step 5: Solve for x
    x = 590,658,081.02/27,910.47
  6. Step 6: Final answer
    x = 21,162.60

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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.