Finding the Fourth Proportional to 38,070, 57,105 and 10,368
Calculator
Solution
The fourth proportional to 38,070, 57,105 and 10,368 is: 15,552
Step by Step Solution
- Step 1: Write the proportion equation
38,070 : 57,105 = 10,368 : x - Step 2: Convert to fraction form
38,070/57,105 = 10,368/x - Step 3: Cross multiply
38,070x = 57,105 × 10,368 - Step 4: Simplify right side
38,070x = 592,064,640 - Step 5: Solve for x
x = 592,064,640/38,070 - Step 6: Final answer
x = 15,552
Related Problems
Find fourth proportional to 19,035, 28,552.50 and 5,184
Half scale
Find fourth proportional to 76,140, 114,210 and 20,736
Double scale
Find fourth proportional to 38,071, 57,106.50 and 10,369
Similar ratio
Find fourth proportional to 57,105, 85,657.50 and 15,552
1.5x scale
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.