Home / 19,204.65-28,812.51-13,944.87

Finding the Fourth Proportional to 19,204.65, 28,812.51 and 13,944.87

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Solution

The fourth proportional to 19,204.65, 28,812.51 and 13,944.87 is: 20,921.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,204.65 : 28,812.51 = 13,944.87 : x
  2. Step 2: Convert to fraction form
    19,204.65/28,812.51 = 13,944.87/x
  3. Step 3: Cross multiply
    19,204.65x = 28,812.51 × 13,944.87
  4. Step 4: Simplify right side
    19,204.65x = 401,786,706.32
  5. Step 5: Solve for x
    x = 401,786,706.32/19,204.65
  6. Step 6: Final answer
    x = 20,921.32

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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.