Home / 28,763.34-39,692.93-16,188.09

Finding the Fourth Proportional to 28,763.34, 39,692.93 and 16,188.09

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Solution

The fourth proportional to 28,763.34, 39,692.93 and 16,188.09 is: 22,339.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763.34 : 39,692.93 = 16,188.09 : x
  2. Step 2: Convert to fraction form
    28,763.34/39,692.93 = 16,188.09/x
  3. Step 3: Cross multiply
    28,763.34x = 39,692.93 × 16,188.09
  4. Step 4: Simplify right side
    28,763.34x = 642,552,723.20
  5. Step 5: Solve for x
    x = 642,552,723.20/28,763.34
  6. Step 6: Final answer
    x = 22,339.29

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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.