Home / 27,998.26-38,643.28-16,069.80

Finding the Fourth Proportional to 27,998.26, 38,643.28 and 16,069.80

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Solution

The fourth proportional to 27,998.26, 38,643.28 and 16,069.80 is: 22,179.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,998.26 : 38,643.28 = 16,069.80 : x
  2. Step 2: Convert to fraction form
    27,998.26/38,643.28 = 16,069.80/x
  3. Step 3: Cross multiply
    27,998.26x = 38,643.28 × 16,069.80
  4. Step 4: Simplify right side
    27,998.26x = 620,989,780.94
  5. Step 5: Solve for x
    x = 620,989,780.94/27,998.26
  6. Step 6: Final answer
    x = 22,179.58

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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.