Home / 28,862.57-39,839.42-16,930.73

Finding the Fourth Proportional to 28,862.57, 39,839.42 and 16,930.73

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Solution

The fourth proportional to 28,862.57, 39,839.42 and 16,930.73 is: 23,369.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,862.57 : 39,839.42 = 16,930.73 : x
  2. Step 2: Convert to fraction form
    28,862.57/39,839.42 = 16,930.73/x
  3. Step 3: Cross multiply
    28,862.57x = 39,839.42 × 16,930.73
  4. Step 4: Simplify right side
    28,862.57x = 674,510,392.41
  5. Step 5: Solve for x
    x = 674,510,392.41/28,862.57
  6. Step 6: Final answer
    x = 23,369.73

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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.