Home / 27,942.33-38,569.35-17,897.79

Finding the Fourth Proportional to 27,942.33, 38,569.35 and 17,897.79

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Solution

The fourth proportional to 27,942.33, 38,569.35 and 17,897.79 is: 24,704.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,942.33 : 38,569.35 = 17,897.79 : x
  2. Step 2: Convert to fraction form
    27,942.33/38,569.35 = 17,897.79/x
  3. Step 3: Cross multiply
    27,942.33x = 38,569.35 × 17,897.79
  4. Step 4: Simplify right side
    27,942.33x = 690,306,126.74
  5. Step 5: Solve for x
    x = 690,306,126.74/27,942.33
  6. Step 6: Final answer
    x = 24,704.67

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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.