Finding the Fourth Proportional to 16.69, 24.86 and 15.95
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Solution
The fourth proportional to 16.69, 24.86 and 15.95 is: 23.75
Step by Step Solution
- Step 1: Write the proportion equation
16.69 : 24.86 = 15.95 : x - Step 2: Convert to fraction form
16.69/24.86 = 15.95/x - Step 3: Cross multiply
16.69x = 24.86 × 15.95 - Step 4: Simplify right side
16.69x = 396.31 - Step 5: Solve for x
x = 396.31/16.69 - Step 6: Final answer
x = 23.75
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.