Home / 28,321.12-42,445.34-11,692.84

Finding the Fourth Proportional to 28,321.12, 42,445.34 and 11,692.84

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Solution

The fourth proportional to 28,321.12, 42,445.34 and 11,692.84 is: 17,524.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,321.12 : 42,445.34 = 11,692.84 : x
  2. Step 2: Convert to fraction form
    28,321.12/42,445.34 = 11,692.84/x
  3. Step 3: Cross multiply
    28,321.12x = 42,445.34 × 11,692.84
  4. Step 4: Simplify right side
    28,321.12x = 496,306,569.37
  5. Step 5: Solve for x
    x = 496,306,569.37/28,321.12
  6. Step 6: Final answer
    x = 17,524.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.