Home / 28,658.09-43,010.82-14,628.48

Finding the Fourth Proportional to 28,658.09, 43,010.82 and 14,628.48

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Solution

The fourth proportional to 28,658.09, 43,010.82 and 14,628.48 is: 21,954.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,658.09 : 43,010.82 = 14,628.48 : x
  2. Step 2: Convert to fraction form
    28,658.09/43,010.82 = 14,628.48/x
  3. Step 3: Cross multiply
    28,658.09x = 43,010.82 × 14,628.48
  4. Step 4: Simplify right side
    28,658.09x = 629,182,920.15
  5. Step 5: Solve for x
    x = 629,182,920.15/28,658.09
  6. Step 6: Final answer
    x = 21,954.81

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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.