Home / 28,696.10-39,604.32-16,123.28

Finding the Fourth Proportional to 28,696.10, 39,604.32 and 16,123.28

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Solution

The fourth proportional to 28,696.10, 39,604.32 and 16,123.28 is: 22,252.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,696.10 : 39,604.32 = 16,123.28 : x
  2. Step 2: Convert to fraction form
    28,696.10/39,604.32 = 16,123.28/x
  3. Step 3: Cross multiply
    28,696.10x = 39,604.32 × 16,123.28
  4. Step 4: Simplify right side
    28,696.10x = 638,551,540.57
  5. Step 5: Solve for x
    x = 638,551,540.57/28,696.10
  6. Step 6: Final answer
    x = 22,252.21

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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.