Home / 28,441.94-39,252.35-15,696.32

Finding the Fourth Proportional to 28,441.94, 39,252.35 and 15,696.32

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Solution

The fourth proportional to 28,441.94, 39,252.35 and 15,696.32 is: 21,662.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,441.94 : 39,252.35 = 15,696.32 : x
  2. Step 2: Convert to fraction form
    28,441.94/39,252.35 = 15,696.32/x
  3. Step 3: Cross multiply
    28,441.94x = 39,252.35 × 15,696.32
  4. Step 4: Simplify right side
    28,441.94x = 616,117,171.61
  5. Step 5: Solve for x
    x = 616,117,171.61/28,441.94
  6. Step 6: Final answer
    x = 21,662.28

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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.