Finding the Fourth Proportional to 26,145.70, 36,110.44 and 20,248.70
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Solution
The fourth proportional to 26,145.70, 36,110.44 and 20,248.70 is: 27,965.95
Step by Step Solution
- Step 1: Write the proportion equation
26,145.70 : 36,110.44 = 20,248.70 : x - Step 2: Convert to fraction form
26,145.70/36,110.44 = 20,248.70/x - Step 3: Cross multiply
26,145.70x = 36,110.44 × 20,248.70 - Step 4: Simplify right side
26,145.70x = 731,189,311.19 - Step 5: Solve for x
x = 731,189,311.19/26,145.70 - Step 6: Final answer
x = 27,965.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.