Home / 27,181.36-37,512.28-16,428.91

Finding the Fourth Proportional to 27,181.36, 37,512.28 and 16,428.91

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Solution

The fourth proportional to 27,181.36, 37,512.28 and 16,428.91 is: 22,673.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,181.36 : 37,512.28 = 16,428.91 : x
  2. Step 2: Convert to fraction form
    27,181.36/37,512.28 = 16,428.91/x
  3. Step 3: Cross multiply
    27,181.36x = 37,512.28 × 16,428.91
  4. Step 4: Simplify right side
    27,181.36x = 616,285,872.01
  5. Step 5: Solve for x
    x = 616,285,872.01/27,181.36
  6. Step 6: Final answer
    x = 22,673.11

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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.