Home / 28,838.97-43,249.77-15,503.76

Finding the Fourth Proportional to 28,838.97, 43,249.77 and 15,503.76

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Solution

The fourth proportional to 28,838.97, 43,249.77 and 15,503.76 is: 23,250.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,838.97 : 43,249.77 = 15,503.76 : x
  2. Step 2: Convert to fraction form
    28,838.97/43,249.77 = 15,503.76/x
  3. Step 3: Cross multiply
    28,838.97x = 43,249.77 × 15,503.76
  4. Step 4: Simplify right side
    28,838.97x = 670,534,054.14
  5. Step 5: Solve for x
    x = 670,534,054.14/28,838.97
  6. Step 6: Final answer
    x = 23,250.97

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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.