Home / 19,279.34-28,839.03-18,098.36

Finding the Fourth Proportional to 19,279.34, 28,839.03 and 18,098.36

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Solution

The fourth proportional to 19,279.34, 28,839.03 and 18,098.36 is: 27,072.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,279.34 : 28,839.03 = 18,098.36 : x
  2. Step 2: Convert to fraction form
    19,279.34/28,839.03 = 18,098.36/x
  3. Step 3: Cross multiply
    19,279.34x = 28,839.03 × 18,098.36
  4. Step 4: Simplify right side
    19,279.34x = 521,939,002.80
  5. Step 5: Solve for x
    x = 521,939,002.80/19,279.34
  6. Step 6: Final answer
    x = 27,072.46

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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.