Finding the Fourth Proportional to 23,809.56, 32,857.49 and 13,740.09
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Solution
The fourth proportional to 23,809.56, 32,857.49 and 13,740.09 is: 18,961.50
Step by Step Solution
- Step 1: Write the proportion equation
23,809.56 : 32,857.49 = 13,740.09 : x - Step 2: Convert to fraction form
23,809.56/32,857.49 = 13,740.09/x - Step 3: Cross multiply
23,809.56x = 32,857.49 × 13,740.09 - Step 4: Simplify right side
23,809.56x = 451,464,869.77 - Step 5: Solve for x
x = 451,464,869.77/23,809.56 - Step 6: Final answer
x = 18,961.50
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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.