Home / 28,185.27-38,891.24-16,853.27

Finding the Fourth Proportional to 28,185.27, 38,891.24 and 16,853.27

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Solution

The fourth proportional to 28,185.27, 38,891.24 and 16,853.27 is: 23,254.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,185.27 : 38,891.24 = 16,853.27 : x
  2. Step 2: Convert to fraction form
    28,185.27/38,891.24 = 16,853.27/x
  3. Step 3: Cross multiply
    28,185.27x = 38,891.24 × 16,853.27
  4. Step 4: Simplify right side
    28,185.27x = 655,444,352.83
  5. Step 5: Solve for x
    x = 655,444,352.83/28,185.27
  6. Step 6: Final answer
    x = 23,254.86

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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.