Finding the Fourth Proportional to 23,668.21, 32,662.35 and 13,057.75
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Solution
The fourth proportional to 23,668.21, 32,662.35 and 13,057.75 is: 18,019.82
Step by Step Solution
- Step 1: Write the proportion equation
23,668.21 : 32,662.35 = 13,057.75 : x - Step 2: Convert to fraction form
23,668.21/32,662.35 = 13,057.75/x - Step 3: Cross multiply
23,668.21x = 32,662.35 × 13,057.75 - Step 4: Simplify right side
23,668.21x = 426,496,800.71 - Step 5: Solve for x
x = 426,496,800.71/23,668.21 - Step 6: Final answer
x = 18,019.82
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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.