Home / 22,419.78-33,627.33-9,940.02

Finding the Fourth Proportional to 22,419.78, 33,627.33 and 9,940.02

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Solution

The fourth proportional to 22,419.78, 33,627.33 and 9,940.02 is: 14,908.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,419.78 : 33,627.33 = 9,940.02 : x
  2. Step 2: Convert to fraction form
    22,419.78/33,627.33 = 9,940.02/x
  3. Step 3: Cross multiply
    22,419.78x = 33,627.33 × 9,940.02
  4. Step 4: Simplify right side
    22,419.78x = 334,256,332.75
  5. Step 5: Solve for x
    x = 334,256,332.75/22,419.78
  6. Step 6: Final answer
    x = 14,908.99

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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.