Finding the Fourth Proportional to 26,312.70, 39,485.07 and 13,841.63
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Solution
The fourth proportional to 26,312.70, 39,485.07 and 13,841.63 is: 20,770.88
Step by Step Solution
- Step 1: Write the proportion equation
26,312.70 : 39,485.07 = 13,841.63 : x - Step 2: Convert to fraction form
26,312.70/39,485.07 = 13,841.63/x - Step 3: Cross multiply
26,312.70x = 39,485.07 × 13,841.63 - Step 4: Simplify right side
26,312.70x = 546,537,902.21 - Step 5: Solve for x
x = 546,537,902.21/26,312.70 - Step 6: Final answer
x = 20,770.88
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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.