Finding the Fourth Proportional to 32.99, 49.43 and 28.53
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Solution
The fourth proportional to 32.99, 49.43 and 28.53 is: 42.75
Step by Step Solution
- Step 1: Write the proportion equation
32.99 : 49.43 = 28.53 : x - Step 2: Convert to fraction form
32.99/49.43 = 28.53/x - Step 3: Cross multiply
32.99x = 49.43 × 28.53 - Step 4: Simplify right side
32.99x = 1,410.10 - Step 5: Solve for x
x = 1,410.10/32.99 - Step 6: Final answer
x = 42.75
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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.