Finding the Fourth Proportional to 26,311.70, 39,432.99 and 12,464.66
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Solution
The fourth proportional to 26,311.70, 39,432.99 and 12,464.66 is: 18,680.62
Step by Step Solution
- Step 1: Write the proportion equation
26,311.70 : 39,432.99 = 12,464.66 : x - Step 2: Convert to fraction form
26,311.70/39,432.99 = 12,464.66/x - Step 3: Cross multiply
26,311.70x = 39,432.99 × 12,464.66 - Step 4: Simplify right side
26,311.70x = 491,518,813.13 - Step 5: Solve for x
x = 491,518,813.13/26,311.70 - Step 6: Final answer
x = 18,680.62
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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.