Finding the Fourth Proportional to 26.69, 36.84 and 16.99
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Solution
The fourth proportional to 26.69, 36.84 and 16.99 is: 23.45
Step by Step Solution
- Step 1: Write the proportion equation
26.69 : 36.84 = 16.99 : x - Step 2: Convert to fraction form
26.69/36.84 = 16.99/x - Step 3: Cross multiply
26.69x = 36.84 × 16.99 - Step 4: Simplify right side
26.69x = 625.83 - Step 5: Solve for x
x = 625.83/26.69 - Step 6: Final answer
x = 23.45
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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.