Home / 28,764.24-39,692.40-16,186.56

Finding the Fourth Proportional to 28,764.24, 39,692.40 and 16,186.56

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Solution

The fourth proportional to 28,764.24, 39,692.40 and 16,186.56 is: 22,336.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,764.24 : 39,692.40 = 16,186.56 : x
  2. Step 2: Convert to fraction form
    28,764.24/39,692.40 = 16,186.56/x
  3. Step 3: Cross multiply
    28,764.24x = 39,692.40 × 16,186.56
  4. Step 4: Simplify right side
    28,764.24x = 642,483,414.14
  5. Step 5: Solve for x
    x = 642,483,414.14/28,764.24
  6. Step 6: Final answer
    x = 22,336.19

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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.