Finding the Fourth Proportional to 26,474.23, 39,711.36 and 16,620.43
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Solution
The fourth proportional to 26,474.23, 39,711.36 and 16,620.43 is: 24,930.65
Step by Step Solution
- Step 1: Write the proportion equation
26,474.23 : 39,711.36 = 16,620.43 : x - Step 2: Convert to fraction form
26,474.23/39,711.36 = 16,620.43/x - Step 3: Cross multiply
26,474.23x = 39,711.36 × 16,620.43 - Step 4: Simplify right side
26,474.23x = 660,019,879.08 - Step 5: Solve for x
x = 660,019,879.08/26,474.23 - Step 6: Final answer
x = 24,930.65
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1.5x scale
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.