Finding the Fourth Proportional to 26,587.80, 39,881.84 and 6,864.99
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Solution
The fourth proportional to 26,587.80, 39,881.84 and 6,864.99 is: 10,297.52
Step by Step Solution
- Step 1: Write the proportion equation
26,587.80 : 39,881.84 = 6,864.99 : x - Step 2: Convert to fraction form
26,587.80/39,881.84 = 6,864.99/x - Step 3: Cross multiply
26,587.80x = 39,881.84 × 6,864.99 - Step 4: Simplify right side
26,587.80x = 273,788,398.46 - Step 5: Solve for x
x = 273,788,398.46/26,587.80 - Step 6: Final answer
x = 10,297.52
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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.