Home / 28,648.80-39,536.64-16,074.36

Finding the Fourth Proportional to 28,648.80, 39,536.64 and 16,074.36

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Solution

The fourth proportional to 28,648.80, 39,536.64 and 16,074.36 is: 22,183.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,648.80 : 39,536.64 = 16,074.36 : x
  2. Step 2: Convert to fraction form
    28,648.80/39,536.64 = 16,074.36/x
  3. Step 3: Cross multiply
    28,648.80x = 39,536.64 × 16,074.36
  4. Step 4: Simplify right side
    28,648.80x = 635,526,184.55
  5. Step 5: Solve for x
    x = 635,526,184.55/28,648.80
  6. Step 6: Final answer
    x = 22,183.34

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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.