Home / 28,727.31-43,046.97-19,332.51

Finding the Fourth Proportional to 28,727.31, 43,046.97 and 19,332.51

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Solution

The fourth proportional to 28,727.31, 43,046.97 and 19,332.51 is: 28,969.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,727.31 : 43,046.97 = 19,332.51 : x
  2. Step 2: Convert to fraction form
    28,727.31/43,046.97 = 19,332.51/x
  3. Step 3: Cross multiply
    28,727.31x = 43,046.97 × 19,332.51
  4. Step 4: Simplify right side
    28,727.31x = 832,205,977.99
  5. Step 5: Solve for x
    x = 832,205,977.99/28,727.31
  6. Step 6: Final answer
    x = 28,969.16

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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.