Finding the Fourth Proportional to 26,984.81, 37,241.72 and 20,166.99
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Solution
The fourth proportional to 26,984.81, 37,241.72 and 20,166.99 is: 27,832.45
Step by Step Solution
- Step 1: Write the proportion equation
26,984.81 : 37,241.72 = 20,166.99 : x - Step 2: Convert to fraction form
26,984.81/37,241.72 = 20,166.99/x - Step 3: Cross multiply
26,984.81x = 37,241.72 × 20,166.99 - Step 4: Simplify right side
26,984.81x = 751,053,293.99 - Step 5: Solve for x
x = 751,053,293.99/26,984.81 - Step 6: Final answer
x = 27,832.45
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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.