Home / 27,609.49-38,106.09-16,278.31

Finding the Fourth Proportional to 27,609.49, 38,106.09 and 16,278.31

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Solution

The fourth proportional to 27,609.49, 38,106.09 and 16,278.31 is: 22,467.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,609.49 : 38,106.09 = 16,278.31 : x
  2. Step 2: Convert to fraction form
    27,609.49/38,106.09 = 16,278.31/x
  3. Step 3: Cross multiply
    27,609.49x = 38,106.09 × 16,278.31
  4. Step 4: Simplify right side
    27,609.49x = 620,302,745.91
  5. Step 5: Solve for x
    x = 620,302,745.91/27,609.49
  6. Step 6: Final answer
    x = 22,467.01

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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.