Home / 28,382.21-39,167.45-16,452.46

Finding the Fourth Proportional to 28,382.21, 39,167.45 and 16,452.46

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Solution

The fourth proportional to 28,382.21, 39,167.45 and 16,452.46 is: 22,704.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,382.21 : 39,167.45 = 16,452.46 : x
  2. Step 2: Convert to fraction form
    28,382.21/39,167.45 = 16,452.46/x
  3. Step 3: Cross multiply
    28,382.21x = 39,167.45 × 16,452.46
  4. Step 4: Simplify right side
    28,382.21x = 644,400,904.43
  5. Step 5: Solve for x
    x = 644,400,904.43/28,382.21
  6. Step 6: Final answer
    x = 22,704.39

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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.