Home / 17,739.75-26,609.64-5,427.75

Finding the Fourth Proportional to 17,739.75, 26,609.64 and 5,427.75

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Solution

The fourth proportional to 17,739.75, 26,609.64 and 5,427.75 is: 8,141.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739.75 : 26,609.64 = 5,427.75 : x
  2. Step 2: Convert to fraction form
    17,739.75/26,609.64 = 5,427.75/x
  3. Step 3: Cross multiply
    17,739.75x = 26,609.64 × 5,427.75
  4. Step 4: Simplify right side
    17,739.75x = 144,430,473.51
  5. Step 5: Solve for x
    x = 144,430,473.51/17,739.75
  6. Step 6: Final answer
    x = 8,141.63

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.