Home / 27,579.54-38,059.32-16,968.90

Finding the Fourth Proportional to 27,579.54, 38,059.32 and 16,968.90

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Solution

The fourth proportional to 27,579.54, 38,059.32 and 16,968.90 is: 23,416.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,579.54 : 38,059.32 = 16,968.90 : x
  2. Step 2: Convert to fraction form
    27,579.54/38,059.32 = 16,968.90/x
  3. Step 3: Cross multiply
    27,579.54x = 38,059.32 × 16,968.90
  4. Step 4: Simplify right side
    27,579.54x = 645,824,795.15
  5. Step 5: Solve for x
    x = 645,824,795.15/27,579.54
  6. Step 6: Final answer
    x = 23,416.81

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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.