Home / 26,628.93-39,881.12-21,044.79

Finding the Fourth Proportional to 26,628.93, 39,881.12 and 21,044.79

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Solution

The fourth proportional to 26,628.93, 39,881.12 and 21,044.79 is: 31,517.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,628.93 : 39,881.12 = 21,044.79 : x
  2. Step 2: Convert to fraction form
    26,628.93/39,881.12 = 21,044.79/x
  3. Step 3: Cross multiply
    26,628.93x = 39,881.12 × 21,044.79
  4. Step 4: Simplify right side
    26,628.93x = 839,289,795.36
  5. Step 5: Solve for x
    x = 839,289,795.36/26,628.93
  6. Step 6: Final answer
    x = 31,517.97

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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.