Home / 28,763.96-43,170.48-11,246.12

Finding the Fourth Proportional to 28,763.96, 43,170.48 and 11,246.12

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Solution

The fourth proportional to 28,763.96, 43,170.48 and 11,246.12 is: 16,878.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763.96 : 43,170.48 = 11,246.12 : x
  2. Step 2: Convert to fraction form
    28,763.96/43,170.48 = 11,246.12/x
  3. Step 3: Cross multiply
    28,763.96x = 43,170.48 × 11,246.12
  4. Step 4: Simplify right side
    28,763.96x = 485,500,398.54
  5. Step 5: Solve for x
    x = 485,500,398.54/28,763.96
  6. Step 6: Final answer
    x = 16,878.77

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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.