Home / 28,791.99-43,206.44-19,881.33

Finding the Fourth Proportional to 28,791.99, 43,206.44 and 19,881.33

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Solution

The fourth proportional to 28,791.99, 43,206.44 and 19,881.33 is: 29,834.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,791.99 : 43,206.44 = 19,881.33 : x
  2. Step 2: Convert to fraction form
    28,791.99/43,206.44 = 19,881.33/x
  3. Step 3: Cross multiply
    28,791.99x = 43,206.44 × 19,881.33
  4. Step 4: Simplify right side
    28,791.99x = 859,001,392.36
  5. Step 5: Solve for x
    x = 859,001,392.36/28,791.99
  6. Step 6: Final answer
    x = 29,834.74

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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.