Home / 27,381.82-37,780.34-16,626.42

Finding the Fourth Proportional to 27,381.82, 37,780.34 and 16,626.42

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Solution

The fourth proportional to 27,381.82, 37,780.34 and 16,626.42 is: 22,940.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,381.82 : 37,780.34 = 16,626.42 : x
  2. Step 2: Convert to fraction form
    27,381.82/37,780.34 = 16,626.42/x
  3. Step 3: Cross multiply
    27,381.82x = 37,780.34 × 16,626.42
  4. Step 4: Simplify right side
    27,381.82x = 628,151,800.58
  5. Step 5: Solve for x
    x = 628,151,800.58/27,381.82
  6. Step 6: Final answer
    x = 22,940.47

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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.