Home / 28,866.36-43,301.22-8,091.48

Finding the Fourth Proportional to 28,866.36, 43,301.22 and 8,091.48

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Solution

The fourth proportional to 28,866.36, 43,301.22 and 8,091.48 is: 12,137.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,866.36 : 43,301.22 = 8,091.48 : x
  2. Step 2: Convert to fraction form
    28,866.36/43,301.22 = 8,091.48/x
  3. Step 3: Cross multiply
    28,866.36x = 43,301.22 × 8,091.48
  4. Step 4: Simplify right side
    28,866.36x = 350,370,955.61
  5. Step 5: Solve for x
    x = 350,370,955.61/28,866.36
  6. Step 6: Final answer
    x = 12,137.69

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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.