Finding the Fourth Proportional to 27,655.96, 38,163.96 and 16,918.70
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Solution
The fourth proportional to 27,655.96, 38,163.96 and 16,918.70 is: 23,347.03
Step by Step Solution
- Step 1: Write the proportion equation
27,655.96 : 38,163.96 = 16,918.70 : x - Step 2: Convert to fraction form
27,655.96/38,163.96 = 16,918.70/x - Step 3: Cross multiply
27,655.96x = 38,163.96 × 16,918.70 - Step 4: Simplify right side
27,655.96x = 645,684,590.05 - Step 5: Solve for x
x = 645,684,590.05/27,655.96 - Step 6: Final answer
x = 23,347.03
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1.5x scale
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.