Home / 20,463.21-30,694.71-17,681.37

Finding the Fourth Proportional to 20,463.21, 30,694.71 and 17,681.37

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Solution

The fourth proportional to 20,463.21, 30,694.71 and 17,681.37 is: 26,521.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,463.21 : 30,694.71 = 17,681.37 : x
  2. Step 2: Convert to fraction form
    20,463.21/30,694.71 = 17,681.37/x
  3. Step 3: Cross multiply
    20,463.21x = 30,694.71 × 17,681.37
  4. Step 4: Simplify right side
    20,463.21x = 542,724,475.75
  5. Step 5: Solve for x
    x = 542,724,475.75/20,463.21
  6. Step 6: Final answer
    x = 26,521.96

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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.