Finding the Fourth Proportional to 23,896.60, 32,977.86 and 13,286
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Solution
The fourth proportional to 23,896.60, 32,977.86 and 13,286 is: 18,334.99
Step by Step Solution
- Step 1: Write the proportion equation
23,896.60 : 32,977.86 = 13,286 : x - Step 2: Convert to fraction form
23,896.60/32,977.86 = 13,286/x - Step 3: Cross multiply
23,896.60x = 32,977.86 × 13,286 - Step 4: Simplify right side
23,896.60x = 438,143,847.96 - Step 5: Solve for x
x = 438,143,847.96/23,896.60 - Step 6: Final answer
x = 18,334.99
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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.