Finding the Fourth Proportional to 27,316.80, 40,995.36 and 11,746.08
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Solution
The fourth proportional to 27,316.80, 40,995.36 and 11,746.08 is: 17,627.79
Step by Step Solution
- Step 1: Write the proportion equation
27,316.80 : 40,995.36 = 11,746.08 : x - Step 2: Convert to fraction form
27,316.80/40,995.36 = 11,746.08/x - Step 3: Cross multiply
27,316.80x = 40,995.36 × 11,746.08 - Step 4: Simplify right side
27,316.80x = 481,534,778.19 - Step 5: Solve for x
x = 481,534,778.19/27,316.80 - Step 6: Final answer
x = 17,627.79
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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.