Home / 19,452.21-28,993.26-18,344.94

Finding the Fourth Proportional to 19,452.21, 28,993.26 and 18,344.94

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Solution

The fourth proportional to 19,452.21, 28,993.26 and 18,344.94 is: 27,342.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,452.21 : 28,993.26 = 18,344.94 : x
  2. Step 2: Convert to fraction form
    19,452.21/28,993.26 = 18,344.94/x
  3. Step 3: Cross multiply
    19,452.21x = 28,993.26 × 18,344.94
  4. Step 4: Simplify right side
    19,452.21x = 531,879,615.10
  5. Step 5: Solve for x
    x = 531,879,615.10/19,452.21
  6. Step 6: Final answer
    x = 27,342.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.