Finding the Fourth Proportional to 27,331.76, 40,976.84 and 11,541.62
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Solution
The fourth proportional to 27,331.76, 40,976.84 and 11,541.62 is: 17,303.65
Step by Step Solution
- Step 1: Write the proportion equation
27,331.76 : 40,976.84 = 11,541.62 : x - Step 2: Convert to fraction form
27,331.76/40,976.84 = 11,541.62/x - Step 3: Cross multiply
27,331.76x = 40,976.84 × 11,541.62 - Step 4: Simplify right side
27,331.76x = 472,939,116.08 - Step 5: Solve for x
x = 472,939,116.08/27,331.76 - Step 6: Final answer
x = 17,303.65
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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.