Home / 27,946.38-41,882.40-20,515.98

Finding the Fourth Proportional to 27,946.38, 41,882.40 and 20,515.98

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Solution

The fourth proportional to 27,946.38, 41,882.40 and 20,515.98 is: 30,746.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,946.38 : 41,882.40 = 20,515.98 : x
  2. Step 2: Convert to fraction form
    27,946.38/41,882.40 = 20,515.98/x
  3. Step 3: Cross multiply
    27,946.38x = 41,882.40 × 20,515.98
  4. Step 4: Simplify right side
    27,946.38x = 859,258,480.75
  5. Step 5: Solve for x
    x = 859,258,480.75/27,946.38
  6. Step 6: Final answer
    x = 30,746.68

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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.