Home / 27,878.82-41,793.58-21,334.22

Finding the Fourth Proportional to 27,878.82, 41,793.58 and 21,334.22

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Solution

The fourth proportional to 27,878.82, 41,793.58 and 21,334.22 is: 31,982.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,878.82 : 41,793.58 = 21,334.22 : x
  2. Step 2: Convert to fraction form
    27,878.82/41,793.58 = 21,334.22/x
  3. Step 3: Cross multiply
    27,878.82x = 41,793.58 × 21,334.22
  4. Step 4: Simplify right side
    27,878.82x = 891,633,430.31
  5. Step 5: Solve for x
    x = 891,633,430.31/27,878.82
  6. Step 6: Final answer
    x = 31,982.47

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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.