Finding the Fourth Proportional to 25.99, 38.95 and 22.99
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Solution
The fourth proportional to 25.99, 38.95 and 22.99 is: 34.45
Step by Step Solution
- Step 1: Write the proportion equation
25.99 : 38.95 = 22.99 : x - Step 2: Convert to fraction form
25.99/38.95 = 22.99/x - Step 3: Cross multiply
25.99x = 38.95 × 22.99 - Step 4: Simplify right side
25.99x = 895.46 - Step 5: Solve for x
x = 895.46/25.99 - Step 6: Final answer
x = 34.45
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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.