Home / 27,998.72-41,895.84-16,864.64

Finding the Fourth Proportional to 27,998.72, 41,895.84 and 16,864.64

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Solution

The fourth proportional to 27,998.72, 41,895.84 and 16,864.64 is: 25,235.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,998.72 : 41,895.84 = 16,864.64 : x
  2. Step 2: Convert to fraction form
    27,998.72/41,895.84 = 16,864.64/x
  3. Step 3: Cross multiply
    27,998.72x = 41,895.84 × 16,864.64
  4. Step 4: Simplify right side
    27,998.72x = 706,558,259.10
  5. Step 5: Solve for x
    x = 706,558,259.10/27,998.72
  6. Step 6: Final answer
    x = 25,235.38

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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.