Finding the Fourth Proportional to 16,752.50, 25,128.76 and 4,440.50
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Solution
The fourth proportional to 16,752.50, 25,128.76 and 4,440.50 is: 6,660.75
Step by Step Solution
- Step 1: Write the proportion equation
16,752.50 : 25,128.76 = 4,440.50 : x - Step 2: Convert to fraction form
16,752.50/25,128.76 = 4,440.50/x - Step 3: Cross multiply
16,752.50x = 25,128.76 × 4,440.50 - Step 4: Simplify right side
16,752.50x = 111,584,258.78 - Step 5: Solve for x
x = 111,584,258.78/16,752.50 - Step 6: Final answer
x = 6,660.75
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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.