Home / 27,910.54-38,516.22-15,335.26

Finding the Fourth Proportional to 27,910.54, 38,516.22 and 15,335.26

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Solution

The fourth proportional to 27,910.54, 38,516.22 and 15,335.26 is: 21,162.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,910.54 : 38,516.22 = 15,335.26 : x
  2. Step 2: Convert to fraction form
    27,910.54/38,516.22 = 15,335.26/x
  3. Step 3: Cross multiply
    27,910.54x = 38,516.22 × 15,335.26
  4. Step 4: Simplify right side
    27,910.54x = 590,656,247.92
  5. Step 5: Solve for x
    x = 590,656,247.92/27,910.54
  6. Step 6: Final answer
    x = 21,162.48

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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.