Home / 19,756.20-27,246.83-17,787.90

Finding the Fourth Proportional to 19,756.20, 27,246.83 and 17,787.90

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Solution

The fourth proportional to 19,756.20, 27,246.83 and 17,787.90 is: 24,532.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,756.20 : 27,246.83 = 17,787.90 : x
  2. Step 2: Convert to fraction form
    19,756.20/27,246.83 = 17,787.90/x
  3. Step 3: Cross multiply
    19,756.20x = 27,246.83 × 17,787.90
  4. Step 4: Simplify right side
    19,756.20x = 484,664,000.65
  5. Step 5: Solve for x
    x = 484,664,000.65/19,756.20
  6. Step 6: Final answer
    x = 24,532.24

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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.