Finding the Fourth Proportional to 21,740.60, 32,594.96 and 6,940.99
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Solution
The fourth proportional to 21,740.60, 32,594.96 and 6,940.99 is: 10,406.40
Step by Step Solution
- Step 1: Write the proportion equation
21,740.60 : 32,594.96 = 6,940.99 : x - Step 2: Convert to fraction form
21,740.60/32,594.96 = 6,940.99/x - Step 3: Cross multiply
21,740.60x = 32,594.96 × 6,940.99 - Step 4: Simplify right side
21,740.60x = 226,241,310.46 - Step 5: Solve for x
x = 226,241,310.46/21,740.60 - Step 6: Final answer
x = 10,406.40
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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.