Home / 27,671.33-38,186.27-15,734.68

Finding the Fourth Proportional to 27,671.33, 38,186.27 and 15,734.68

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Solution

The fourth proportional to 27,671.33, 38,186.27 and 15,734.68 is: 21,713.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,671.33 : 38,186.27 = 15,734.68 : x
  2. Step 2: Convert to fraction form
    27,671.33/38,186.27 = 15,734.68/x
  3. Step 3: Cross multiply
    27,671.33x = 38,186.27 × 15,734.68
  4. Step 4: Simplify right side
    27,671.33x = 600,848,623.71
  5. Step 5: Solve for x
    x = 600,848,623.71/27,671.33
  6. Step 6: Final answer
    x = 21,713.76

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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.