Finding the Fourth Proportional to 28,351.73, 42,280.56 and 24,857.99
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Solution
The fourth proportional to 28,351.73, 42,280.56 and 24,857.99 is: 37,070.39
Step by Step Solution
- Step 1: Write the proportion equation
28,351.73 : 42,280.56 = 24,857.99 : x - Step 2: Convert to fraction form
28,351.73/42,280.56 = 24,857.99/x - Step 3: Cross multiply
28,351.73x = 42,280.56 × 24,857.99 - Step 4: Simplify right side
28,351.73x = 1,051,009,526.27 - Step 5: Solve for x
x = 1,051,009,526.27/28,351.73 - Step 6: Final answer
x = 37,070.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.