Home / 27,998.88-38,639.25-16,064.34

Finding the Fourth Proportional to 27,998.88, 38,639.25 and 16,064.34

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Solution

The fourth proportional to 27,998.88, 38,639.25 and 16,064.34 is: 22,169.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,998.88 : 38,639.25 = 16,064.34 : x
  2. Step 2: Convert to fraction form
    27,998.88/38,639.25 = 16,064.34/x
  3. Step 3: Cross multiply
    27,998.88x = 38,639.25 × 16,064.34
  4. Step 4: Simplify right side
    27,998.88x = 620,714,049.35
  5. Step 5: Solve for x
    x = 620,714,049.35/27,998.88
  6. Step 6: Final answer
    x = 22,169.25

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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.