Home / 27,897.08-38,496.62-15,149.96

Finding the Fourth Proportional to 27,897.08, 38,496.62 and 15,149.96

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Solution

The fourth proportional to 27,897.08, 38,496.62 and 15,149.96 is: 20,906.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,897.08 : 38,496.62 = 15,149.96 : x
  2. Step 2: Convert to fraction form
    27,897.08/38,496.62 = 15,149.96/x
  3. Step 3: Cross multiply
    27,897.08x = 38,496.62 × 15,149.96
  4. Step 4: Simplify right side
    27,897.08x = 583,222,253.14
  5. Step 5: Solve for x
    x = 583,222,253.14/27,897.08
  6. Step 6: Final answer
    x = 20,906.21

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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.