Home / 28,763.43-43,127.52-11,212.75

Finding the Fourth Proportional to 28,763.43, 43,127.52 and 11,212.75

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Solution

The fourth proportional to 28,763.43, 43,127.52 and 11,212.75 is: 16,812.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763.43 : 43,127.52 = 11,212.75 : x
  2. Step 2: Convert to fraction form
    28,763.43/43,127.52 = 11,212.75/x
  3. Step 3: Cross multiply
    28,763.43x = 43,127.52 × 11,212.75
  4. Step 4: Simplify right side
    28,763.43x = 483,578,099.88
  5. Step 5: Solve for x
    x = 483,578,099.88/28,763.43
  6. Step 6: Final answer
    x = 16,812.25

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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.