Finding the Fourth Proportional to 26,370.62, 36,391.80 and 14,433.70
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Solution
The fourth proportional to 26,370.62, 36,391.80 and 14,433.70 is: 19,918.70
Step by Step Solution
- Step 1: Write the proportion equation
26,370.62 : 36,391.80 = 14,433.70 : x - Step 2: Convert to fraction form
26,370.62/36,391.80 = 14,433.70/x - Step 3: Cross multiply
26,370.62x = 36,391.80 × 14,433.70 - Step 4: Simplify right side
26,370.62x = 525,268,484.94 - Step 5: Solve for x
x = 525,268,484.94/26,370.62 - Step 6: Final answer
x = 19,918.70
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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.