Finding the Fourth Proportional to 26,115.97, 39,149.88 and 9,471.99
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Solution
The fourth proportional to 26,115.97, 39,149.88 and 9,471.99 is: 14,199.25
Step by Step Solution
- Step 1: Write the proportion equation
26,115.97 : 39,149.88 = 9,471.99 : x - Step 2: Convert to fraction form
26,115.97/39,149.88 = 9,471.99/x - Step 3: Cross multiply
26,115.97x = 39,149.88 × 9,471.99 - Step 4: Simplify right side
26,115.97x = 370,827,216.22 - Step 5: Solve for x
x = 370,827,216.22/26,115.97 - Step 6: Final answer
x = 14,199.25
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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.