Home / 27,663.89-38,175.67-16,179.91

Finding the Fourth Proportional to 27,663.89, 38,175.67 and 16,179.91

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Solution

The fourth proportional to 27,663.89, 38,175.67 and 16,179.91 is: 22,327.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,663.89 : 38,175.67 = 16,179.91 : x
  2. Step 2: Convert to fraction form
    27,663.89/38,175.67 = 16,179.91/x
  3. Step 3: Cross multiply
    27,663.89x = 38,175.67 × 16,179.91
  4. Step 4: Simplify right side
    27,663.89x = 617,678,768.90
  5. Step 5: Solve for x
    x = 617,678,768.90/27,663.89
  6. Step 6: Final answer
    x = 22,327.98

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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.