Home / 28,765.58-39,696.41-16,190.33

Finding the Fourth Proportional to 28,765.58, 39,696.41 and 16,190.33

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Solution

The fourth proportional to 28,765.58, 39,696.41 and 16,190.33 is: 22,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,765.58 : 39,696.41 = 16,190.33 : x
  2. Step 2: Convert to fraction form
    28,765.58/39,696.41 = 16,190.33/x
  3. Step 3: Cross multiply
    28,765.58x = 39,696.41 × 16,190.33
  4. Step 4: Simplify right side
    28,765.58x = 642,697,977.72
  5. Step 5: Solve for x
    x = 642,697,977.72/28,765.58
  6. Step 6: Final answer
    x = 22,342.60

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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.