Home / 28,696.53-39,604.91-16,123.71

Finding the Fourth Proportional to 28,696.53, 39,604.91 and 16,123.71

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Solution

The fourth proportional to 28,696.53, 39,604.91 and 16,123.71 is: 22,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,696.53 : 39,604.91 = 16,123.71 : x
  2. Step 2: Convert to fraction form
    28,696.53/39,604.91 = 16,123.71/x
  3. Step 3: Cross multiply
    28,696.53x = 39,604.91 × 16,123.71
  4. Step 4: Simplify right side
    28,696.53x = 638,578,002.80
  5. Step 5: Solve for x
    x = 638,578,002.80/28,696.53
  6. Step 6: Final answer
    x = 22,252.80

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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.