Finding the Fourth Proportional to 28.29, 42.50 and 24.99
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Solution
The fourth proportional to 28.29, 42.50 and 24.99 is: 37.54
Step by Step Solution
- Step 1: Write the proportion equation
28.29 : 42.50 = 24.99 : x - Step 2: Convert to fraction form
28.29/42.50 = 24.99/x - Step 3: Cross multiply
28.29x = 42.50 × 24.99 - Step 4: Simplify right side
28.29x = 1,062.08 - Step 5: Solve for x
x = 1,062.08/28.29 - Step 6: Final answer
x = 37.54
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1.5x scale
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.