Home / 19,988.42-27,583.86-11,035.94

Finding the Fourth Proportional to 19,988.42, 27,583.86 and 11,035.94

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Solution

The fourth proportional to 19,988.42, 27,583.86 and 11,035.94 is: 15,229.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988.42 : 27,583.86 = 11,035.94 : x
  2. Step 2: Convert to fraction form
    19,988.42/27,583.86 = 11,035.94/x
  3. Step 3: Cross multiply
    19,988.42x = 27,583.86 × 11,035.94
  4. Step 4: Simplify right side
    19,988.42x = 304,413,823.93
  5. Step 5: Solve for x
    x = 304,413,823.93/19,988.42
  6. Step 6: Final answer
    x = 15,229.51

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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.