Home / 17,989.83-26,981.70-4,839.27

Finding the Fourth Proportional to 17,989.83, 26,981.70 and 4,839.27

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Solution

The fourth proportional to 17,989.83, 26,981.70 and 4,839.27 is: 7,258.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,989.83 : 26,981.70 = 4,839.27 : x
  2. Step 2: Convert to fraction form
    17,989.83/26,981.70 = 4,839.27/x
  3. Step 3: Cross multiply
    17,989.83x = 26,981.70 × 4,839.27
  4. Step 4: Simplify right side
    17,989.83x = 130,571,731.36
  5. Step 5: Solve for x
    x = 130,571,731.36/17,989.83
  6. Step 6: Final answer
    x = 7,258.09

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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.