Finding the Fourth Proportional to 26,804.80, 40,177.09 and 12,580.26
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Solution
The fourth proportional to 26,804.80, 40,177.09 and 12,580.26 is: 18,856.26
Step by Step Solution
- Step 1: Write the proportion equation
26,804.80 : 40,177.09 = 12,580.26 : x - Step 2: Convert to fraction form
26,804.80/40,177.09 = 12,580.26/x - Step 3: Cross multiply
26,804.80x = 40,177.09 × 12,580.26 - Step 4: Simplify right side
26,804.80x = 505,438,238.24 - Step 5: Solve for x
x = 505,438,238.24/26,804.80 - Step 6: Final answer
x = 18,856.26
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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.