Home / 28,389.41-39,168.71-16,450.44

Finding the Fourth Proportional to 28,389.41, 39,168.71 and 16,450.44

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Solution

The fourth proportional to 28,389.41, 39,168.71 and 16,450.44 is: 22,696.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,389.41 : 39,168.71 = 16,450.44 : x
  2. Step 2: Convert to fraction form
    28,389.41/39,168.71 = 16,450.44/x
  3. Step 3: Cross multiply
    28,389.41x = 39,168.71 × 16,450.44
  4. Step 4: Simplify right side
    28,389.41x = 644,342,513.73
  5. Step 5: Solve for x
    x = 644,342,513.73/28,389.41
  6. Step 6: Final answer
    x = 22,696.58

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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.