Home / 27,741.42-38,273.72-16,991.37

Finding the Fourth Proportional to 27,741.42, 38,273.72 and 16,991.37

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Solution

The fourth proportional to 27,741.42, 38,273.72 and 16,991.37 is: 23,442.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,741.42 : 38,273.72 = 16,991.37 : x
  2. Step 2: Convert to fraction form
    27,741.42/38,273.72 = 16,991.37/x
  3. Step 3: Cross multiply
    27,741.42x = 38,273.72 × 16,991.37
  4. Step 4: Simplify right side
    27,741.42x = 650,322,852.84
  5. Step 5: Solve for x
    x = 650,322,852.84/27,741.42
  6. Step 6: Final answer
    x = 23,442.31

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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.