Home / 27,997.61-41,996.51-19,205.87

Finding the Fourth Proportional to 27,997.61, 41,996.51 and 19,205.87

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Solution

The fourth proportional to 27,997.61, 41,996.51 and 19,205.87 is: 28,808.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,997.61 : 41,996.51 = 19,205.87 : x
  2. Step 2: Convert to fraction form
    27,997.61/41,996.51 = 19,205.87/x
  3. Step 3: Cross multiply
    27,997.61x = 41,996.51 × 19,205.87
  4. Step 4: Simplify right side
    27,997.61x = 806,579,415.48
  5. Step 5: Solve for x
    x = 806,579,415.48/27,997.61
  6. Step 6: Final answer
    x = 28,808.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.