Home / 28,969.73-43,443.13-19,612.45

Finding the Fourth Proportional to 28,969.73, 43,443.13 and 19,612.45

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Solution

The fourth proportional to 28,969.73, 43,443.13 and 19,612.45 is: 29,410.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969.73 : 43,443.13 = 19,612.45 : x
  2. Step 2: Convert to fraction form
    28,969.73/43,443.13 = 19,612.45/x
  3. Step 3: Cross multiply
    28,969.73x = 43,443.13 × 19,612.45
  4. Step 4: Simplify right side
    28,969.73x = 852,026,214.97
  5. Step 5: Solve for x
    x = 852,026,214.97/28,969.73
  6. Step 6: Final answer
    x = 29,410.91

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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.