Home / 28,104.25-42,135.88-16,241.30

Finding the Fourth Proportional to 28,104.25, 42,135.88 and 16,241.30

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Solution

The fourth proportional to 28,104.25, 42,135.88 and 16,241.30 is: 24,350.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,104.25 : 42,135.88 = 16,241.30 : x
  2. Step 2: Convert to fraction form
    28,104.25/42,135.88 = 16,241.30/x
  3. Step 3: Cross multiply
    28,104.25x = 42,135.88 × 16,241.30
  4. Step 4: Simplify right side
    28,104.25x = 684,341,467.84
  5. Step 5: Solve for x
    x = 684,341,467.84/28,104.25
  6. Step 6: Final answer
    x = 24,350.11

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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.