Finding the Fourth Proportional to 28,793.03, 43,194.99 and 11,261.75
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Solution
The fourth proportional to 28,793.03, 43,194.99 and 11,261.75 is: 16,894.75
Step by Step Solution
- Step 1: Write the proportion equation
28,793.03 : 43,194.99 = 11,261.75 : x - Step 2: Convert to fraction form
28,793.03/43,194.99 = 11,261.75/x - Step 3: Cross multiply
28,793.03x = 43,194.99 × 11,261.75 - Step 4: Simplify right side
28,793.03x = 486,451,178.63 - Step 5: Solve for x
x = 486,451,178.63/28,793.03 - Step 6: Final answer
x = 16,894.75
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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.