Finding the Fourth Proportional to 27,154.38, 37,470 and 15,216
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Solution
The fourth proportional to 27,154.38, 37,470 and 15,216 is: 20,996.37
Step by Step Solution
- Step 1: Write the proportion equation
27,154.38 : 37,470 = 15,216 : x - Step 2: Convert to fraction form
27,154.38/37,470 = 15,216/x - Step 3: Cross multiply
27,154.38x = 37,470 × 15,216 - Step 4: Simplify right side
27,154.38x = 570,143,520 - Step 5: Solve for x
x = 570,143,520/27,154.38 - Step 6: Final answer
x = 20,996.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.