Home / 27,676.80-38,181.24-16,343.28

Finding the Fourth Proportional to 27,676.80, 38,181.24 and 16,343.28

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Solution

The fourth proportional to 27,676.80, 38,181.24 and 16,343.28 is: 22,546.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,676.80 : 38,181.24 = 16,343.28 : x
  2. Step 2: Convert to fraction form
    27,676.80/38,181.24 = 16,343.28/x
  3. Step 3: Cross multiply
    27,676.80x = 38,181.24 × 16,343.28
  4. Step 4: Simplify right side
    27,676.80x = 624,006,696.07
  5. Step 5: Solve for x
    x = 624,006,696.07/27,676.80
  6. Step 6: Final answer
    x = 22,546.20

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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.