Home / 20,293.62-30,405.60-18,239.27

Finding the Fourth Proportional to 20,293.62, 30,405.60 and 18,239.27

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Solution

The fourth proportional to 20,293.62, 30,405.60 and 18,239.27 is: 27,327.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293.62 : 30,405.60 = 18,239.27 : x
  2. Step 2: Convert to fraction form
    20,293.62/30,405.60 = 18,239.27/x
  3. Step 3: Cross multiply
    20,293.62x = 30,405.60 × 18,239.27
  4. Step 4: Simplify right side
    20,293.62x = 554,575,795.88
  5. Step 5: Solve for x
    x = 554,575,795.88/20,293.62
  6. Step 6: Final answer
    x = 27,327.59

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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.