Home / 28,649.15-39,540.57-16,712.49

Finding the Fourth Proportional to 28,649.15, 39,540.57 and 16,712.49

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Solution

The fourth proportional to 28,649.15, 39,540.57 and 16,712.49 is: 23,066.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,649.15 : 39,540.57 = 16,712.49 : x
  2. Step 2: Convert to fraction form
    28,649.15/39,540.57 = 16,712.49/x
  3. Step 3: Cross multiply
    28,649.15x = 39,540.57 × 16,712.49
  4. Step 4: Simplify right side
    28,649.15x = 660,821,380.72
  5. Step 5: Solve for x
    x = 660,821,380.72/28,649.15
  6. Step 6: Final answer
    x = 23,066.01

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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.