Finding the Fourth Proportional to 26,596.09, 39,860.21 and 14,122.09
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Solution
The fourth proportional to 26,596.09, 39,860.21 and 14,122.09 is: 21,165.12
Step by Step Solution
- Step 1: Write the proportion equation
26,596.09 : 39,860.21 = 14,122.09 : x - Step 2: Convert to fraction form
26,596.09/39,860.21 = 14,122.09/x - Step 3: Cross multiply
26,596.09x = 39,860.21 × 14,122.09 - Step 4: Simplify right side
26,596.09x = 562,909,408.69 - Step 5: Solve for x
x = 562,909,408.69/26,596.09 - Step 6: Final answer
x = 21,165.12
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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.