Home / 19,988.36-27,583.98-11,035.88

Finding the Fourth Proportional to 19,988.36, 27,583.98 and 11,035.88

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Solution

The fourth proportional to 19,988.36, 27,583.98 and 11,035.88 is: 15,229.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988.36 : 27,583.98 = 11,035.88 : x
  2. Step 2: Convert to fraction form
    19,988.36/27,583.98 = 11,035.88/x
  3. Step 3: Cross multiply
    19,988.36x = 27,583.98 × 11,035.88
  4. Step 4: Simplify right side
    19,988.36x = 304,413,438.02
  5. Step 5: Solve for x
    x = 304,413,438.02/19,988.36
  6. Step 6: Final answer
    x = 15,229.54

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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.