Home / 28,982.92-43,083.56-28,131.52

Finding the Fourth Proportional to 28,982.92, 43,083.56 and 28,131.52

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Solution

The fourth proportional to 28,982.92, 43,083.56 and 28,131.52 is: 41,817.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,982.92 : 43,083.56 = 28,131.52 : x
  2. Step 2: Convert to fraction form
    28,982.92/43,083.56 = 28,131.52/x
  3. Step 3: Cross multiply
    28,982.92x = 43,083.56 × 28,131.52
  4. Step 4: Simplify right side
    28,982.92x = 1,212,006,029.81
  5. Step 5: Solve for x
    x = 1,212,006,029.81/28,982.92
  6. Step 6: Final answer
    x = 41,817.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.