Home / 28,695.57-43,034.99-11,161.23

Finding the Fourth Proportional to 28,695.57, 43,034.99 and 11,161.23

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Solution

The fourth proportional to 28,695.57, 43,034.99 and 11,161.23 is: 16,738.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,695.57 : 43,034.99 = 11,161.23 : x
  2. Step 2: Convert to fraction form
    28,695.57/43,034.99 = 11,161.23/x
  3. Step 3: Cross multiply
    28,695.57x = 43,034.99 × 11,161.23
  4. Step 4: Simplify right side
    28,695.57x = 480,323,365.63
  5. Step 5: Solve for x
    x = 480,323,365.63/28,695.57
  6. Step 6: Final answer
    x = 16,738.59

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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.