Home / 18,823.26-28,239.57-5,675.88

Finding the Fourth Proportional to 18,823.26, 28,239.57 and 5,675.88

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Solution

The fourth proportional to 18,823.26, 28,239.57 and 5,675.88 is: 8,515.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.26 : 28,239.57 = 5,675.88 : x
  2. Step 2: Convert to fraction form
    18,823.26/28,239.57 = 5,675.88/x
  3. Step 3: Cross multiply
    18,823.26x = 28,239.57 × 5,675.88
  4. Step 4: Simplify right side
    18,823.26x = 160,284,410.57
  5. Step 5: Solve for x
    x = 160,284,410.57/18,823.26
  6. Step 6: Final answer
    x = 8,515.23

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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.