Finding the Fourth Proportional to 26,486.49, 39,692.84 and 19,904.99
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Solution
The fourth proportional to 26,486.49, 39,692.84 and 19,904.99 is: 29,829.75
Step by Step Solution
- Step 1: Write the proportion equation
26,486.49 : 39,692.84 = 19,904.99 : x - Step 2: Convert to fraction form
26,486.49/39,692.84 = 19,904.99/x - Step 3: Cross multiply
26,486.49x = 39,692.84 × 19,904.99 - Step 4: Simplify right side
26,486.49x = 790,085,508.55 - Step 5: Solve for x
x = 790,085,508.55/26,486.49 - Step 6: Final answer
x = 29,829.75
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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.