Home / 25,939.70-38,847.18-14,812.66

Finding the Fourth Proportional to 25,939.70, 38,847.18 and 14,812.66

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Solution

The fourth proportional to 25,939.70, 38,847.18 and 14,812.66 is: 22,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,939.70 : 38,847.18 = 14,812.66 : x
  2. Step 2: Convert to fraction form
    25,939.70/38,847.18 = 14,812.66/x
  3. Step 3: Cross multiply
    25,939.70x = 38,847.18 × 14,812.66
  4. Step 4: Simplify right side
    25,939.70x = 575,430,069.30
  5. Step 5: Solve for x
    x = 575,430,069.30/25,939.70
  6. Step 6: Final answer
    x = 22,183.37

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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.