Home / 28,692.37-39,574.29-16,755.04

Finding the Fourth Proportional to 28,692.37, 39,574.29 and 16,755.04

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Solution

The fourth proportional to 28,692.37, 39,574.29 and 16,755.04 is: 23,109.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,692.37 : 39,574.29 = 16,755.04 : x
  2. Step 2: Convert to fraction form
    28,692.37/39,574.29 = 16,755.04/x
  3. Step 3: Cross multiply
    28,692.37x = 39,574.29 × 16,755.04
  4. Step 4: Simplify right side
    28,692.37x = 663,068,811.92
  5. Step 5: Solve for x
    x = 663,068,811.92/28,692.37
  6. Step 6: Final answer
    x = 23,109.59

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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.