Home / 26,772.10-40,182.99-19,283.38

Finding the Fourth Proportional to 26,772.10, 40,182.99 and 19,283.38

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Solution

The fourth proportional to 26,772.10, 40,182.99 and 19,283.38 is: 28,942.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,772.10 : 40,182.99 = 19,283.38 : x
  2. Step 2: Convert to fraction form
    26,772.10/40,182.99 = 19,283.38/x
  3. Step 3: Cross multiply
    26,772.10x = 40,182.99 × 19,283.38
  4. Step 4: Simplify right side
    26,772.10x = 774,863,865.71
  5. Step 5: Solve for x
    x = 774,863,865.71/26,772.10
  6. Step 6: Final answer
    x = 28,942.96

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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.