Home / 28,735.77-43,104.38-7,959.45

Finding the Fourth Proportional to 28,735.77, 43,104.38 and 7,959.45

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Solution

The fourth proportional to 28,735.77, 43,104.38 and 7,959.45 is: 11,939.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,735.77 : 43,104.38 = 7,959.45 : x
  2. Step 2: Convert to fraction form
    28,735.77/43,104.38 = 7,959.45/x
  3. Step 3: Cross multiply
    28,735.77x = 43,104.38 × 7,959.45
  4. Step 4: Simplify right side
    28,735.77x = 343,087,157.39
  5. Step 5: Solve for x
    x = 343,087,157.39/28,735.77
  6. Step 6: Final answer
    x = 11,939.38

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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.