Home / 28,754.26-43,141.92-12,118.48

Finding the Fourth Proportional to 28,754.26, 43,141.92 and 12,118.48

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Solution

The fourth proportional to 28,754.26, 43,141.92 and 12,118.48 is: 18,182.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,754.26 : 43,141.92 = 12,118.48 : x
  2. Step 2: Convert to fraction form
    28,754.26/43,141.92 = 12,118.48/x
  3. Step 3: Cross multiply
    28,754.26x = 43,141.92 × 12,118.48
  4. Step 4: Simplify right side
    28,754.26x = 522,814,494.68
  5. Step 5: Solve for x
    x = 522,814,494.68/28,754.26
  6. Step 6: Final answer
    x = 18,182.16

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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.