Home / 19,900.40-27,446.44-12,341.48

Finding the Fourth Proportional to 19,900.40, 27,446.44 and 12,341.48

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Solution

The fourth proportional to 19,900.40, 27,446.44 and 12,341.48 is: 17,021.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,900.40 : 27,446.44 = 12,341.48 : x
  2. Step 2: Convert to fraction form
    19,900.40/27,446.44 = 12,341.48/x
  3. Step 3: Cross multiply
    19,900.40x = 27,446.44 × 12,341.48
  4. Step 4: Simplify right side
    19,900.40x = 338,729,690.33
  5. Step 5: Solve for x
    x = 338,729,690.33/19,900.40
  6. Step 6: Final answer
    x = 17,021.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.