Home / 28,698.24-39,606.60-16,765.44

Finding the Fourth Proportional to 28,698.24, 39,606.60 and 16,765.44

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Solution

The fourth proportional to 28,698.24, 39,606.60 and 16,765.44 is: 23,138.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,698.24 : 39,606.60 = 16,765.44 : x
  2. Step 2: Convert to fraction form
    28,698.24/39,606.60 = 16,765.44/x
  3. Step 3: Cross multiply
    28,698.24x = 39,606.60 × 16,765.44
  4. Step 4: Simplify right side
    28,698.24x = 664,022,075.90
  5. Step 5: Solve for x
    x = 664,022,075.90/28,698.24
  6. Step 6: Final answer
    x = 23,138.08

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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.