Finding the Fourth Proportional to 73,428.44, 110,142.76 and 18,024.44
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Solution
The fourth proportional to 73,428.44, 110,142.76 and 18,024.44 is: 27,036.68
Step by Step Solution
- Step 1: Write the proportion equation
73,428.44 : 110,142.76 = 18,024.44 : x - Step 2: Convert to fraction form
73,428.44/110,142.76 = 18,024.44/x - Step 3: Cross multiply
73,428.44x = 110,142.76 × 18,024.44 - Step 4: Simplify right side
73,428.44x = 1,985,261,569.05 - Step 5: Solve for x
x = 1,985,261,569.05/73,428.44 - Step 6: Final answer
x = 27,036.68
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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.