Finding the Fourth Proportional to 25.66, 38.49 and 23.99
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Solution
The fourth proportional to 25.66, 38.49 and 23.99 is: 35.99
Step by Step Solution
- Step 1: Write the proportion equation
25.66 : 38.49 = 23.99 : x - Step 2: Convert to fraction form
25.66/38.49 = 23.99/x - Step 3: Cross multiply
25.66x = 38.49 × 23.99 - Step 4: Simplify right side
25.66x = 923.38 - Step 5: Solve for x
x = 923.38/25.66 - Step 6: Final answer
x = 35.99
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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.