Home / 18,389.43-27,573.66-16,822.08

Finding the Fourth Proportional to 18,389.43, 27,573.66 and 16,822.08

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Solution

The fourth proportional to 18,389.43, 27,573.66 and 16,822.08 is: 25,223.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389.43 : 27,573.66 = 16,822.08 : x
  2. Step 2: Convert to fraction form
    18,389.43/27,573.66 = 16,822.08/x
  3. Step 3: Cross multiply
    18,389.43x = 27,573.66 × 16,822.08
  4. Step 4: Simplify right side
    18,389.43x = 463,846,314.41
  5. Step 5: Solve for x
    x = 463,846,314.41/18,389.43
  6. Step 6: Final answer
    x = 25,223.53

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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.