Finding the Fourth Proportional to 27,746.13, 38,283.99 and 15,806.33
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Solution
The fourth proportional to 27,746.13, 38,283.99 and 15,806.33 is: 21,809.50
Step by Step Solution
- Step 1: Write the proportion equation
27,746.13 : 38,283.99 = 15,806.33 : x - Step 2: Convert to fraction form
27,746.13/38,283.99 = 15,806.33/x - Step 3: Cross multiply
27,746.13x = 38,283.99 × 15,806.33 - Step 4: Simplify right side
27,746.13x = 605,129,188.24 - Step 5: Solve for x
x = 605,129,188.24/27,746.13 - Step 6: Final answer
x = 21,809.50
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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.