Home / 18,935.44-28,407.22-5,787.38

Finding the Fourth Proportional to 18,935.44, 28,407.22 and 5,787.38

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Solution

The fourth proportional to 18,935.44, 28,407.22 and 5,787.38 is: 8,682.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,935.44 : 28,407.22 = 5,787.38 : x
  2. Step 2: Convert to fraction form
    18,935.44/28,407.22 = 5,787.38/x
  3. Step 3: Cross multiply
    18,935.44x = 28,407.22 × 5,787.38
  4. Step 4: Simplify right side
    18,935.44x = 164,403,376.88
  5. Step 5: Solve for x
    x = 164,403,376.88/18,935.44
  6. Step 6: Final answer
    x = 8,682.31

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1.5x scale

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.