Finding the Fourth Proportional to 92,388.24, 138,582.36 and 25,825.68
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Solution
The fourth proportional to 92,388.24, 138,582.36 and 25,825.68 is: 38,738.52
Step by Step Solution
- Step 1: Write the proportion equation
92,388.24 : 138,582.36 = 25,825.68 : x - Step 2: Convert to fraction form
92,388.24/138,582.36 = 25,825.68/x - Step 3: Cross multiply
92,388.24x = 138,582.36 × 25,825.68 - Step 4: Simplify right side
92,388.24x = 3,578,983,683.00 - Step 5: Solve for x
x = 3,578,983,683.00/92,388.24 - Step 6: Final answer
x = 38,738.52
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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.