Finding the Fourth Proportional to 16,271.80, 24,407.70 and 3,959.80
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Solution
The fourth proportional to 16,271.80, 24,407.70 and 3,959.80 is: 5,939.70
Step by Step Solution
- Step 1: Write the proportion equation
16,271.80 : 24,407.70 = 3,959.80 : x - Step 2: Convert to fraction form
16,271.80/24,407.70 = 3,959.80/x - Step 3: Cross multiply
16,271.80x = 24,407.70 × 3,959.80 - Step 4: Simplify right side
16,271.80x = 96,649,610.46 - Step 5: Solve for x
x = 96,649,610.46/16,271.80 - Step 6: Final answer
x = 5,939.70
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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.