Home / 31,866.11-43,949.06-28,283.68

Finding the Fourth Proportional to 31,866.11, 43,949.06 and 28,283.68

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Solution

The fourth proportional to 31,866.11, 43,949.06 and 28,283.68 is: 39,008.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,866.11 : 43,949.06 = 28,283.68 : x
  2. Step 2: Convert to fraction form
    31,866.11/43,949.06 = 28,283.68/x
  3. Step 3: Cross multiply
    31,866.11x = 43,949.06 × 28,283.68
  4. Step 4: Simplify right side
    31,866.11x = 1,243,040,929.60
  5. Step 5: Solve for x
    x = 1,243,040,929.60/31,866.11
  6. Step 6: Final answer
    x = 39,008.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.