Home / 28,768.77-43,159.57-11,238.75

Finding the Fourth Proportional to 28,768.77, 43,159.57 and 11,238.75

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Solution

The fourth proportional to 28,768.77, 43,159.57 and 11,238.75 is: 16,860.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,768.77 : 43,159.57 = 11,238.75 : x
  2. Step 2: Convert to fraction form
    28,768.77/43,159.57 = 11,238.75/x
  3. Step 3: Cross multiply
    28,768.77x = 43,159.57 × 11,238.75
  4. Step 4: Simplify right side
    28,768.77x = 485,059,589.24
  5. Step 5: Solve for x
    x = 485,059,589.24/28,768.77
  6. Step 6: Final answer
    x = 16,860.63

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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.