Finding the Fourth Proportional to 23,026.54, 31,776.27 and 12,954.99
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Solution
The fourth proportional to 23,026.54, 31,776.27 and 12,954.99 is: 17,877.69
Step by Step Solution
- Step 1: Write the proportion equation
23,026.54 : 31,776.27 = 12,954.99 : x - Step 2: Convert to fraction form
23,026.54/31,776.27 = 12,954.99/x - Step 3: Cross multiply
23,026.54x = 31,776.27 × 12,954.99 - Step 4: Simplify right side
23,026.54x = 411,661,261.23 - Step 5: Solve for x
x = 411,661,261.23/23,026.54 - Step 6: Final answer
x = 17,877.69
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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.