Finding the Fourth Proportional to 26,478.59, 36,547.07 and 16,400.99
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Solution
The fourth proportional to 26,478.59, 36,547.07 and 16,400.99 is: 22,637.46
Step by Step Solution
- Step 1: Write the proportion equation
26,478.59 : 36,547.07 = 16,400.99 : x - Step 2: Convert to fraction form
26,478.59/36,547.07 = 16,400.99/x - Step 3: Cross multiply
26,478.59x = 36,547.07 × 16,400.99 - Step 4: Simplify right side
26,478.59x = 599,408,129.60 - Step 5: Solve for x
x = 599,408,129.60/26,478.59 - Step 6: Final answer
x = 22,637.46
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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.