Home / 27,938.81-41,935.76-20,522.45

Finding the Fourth Proportional to 27,938.81, 41,935.76 and 20,522.45

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Solution

The fourth proportional to 27,938.81, 41,935.76 and 20,522.45 is: 30,803.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,938.81 : 41,935.76 = 20,522.45 : x
  2. Step 2: Convert to fraction form
    27,938.81/41,935.76 = 20,522.45/x
  3. Step 3: Cross multiply
    27,938.81x = 41,935.76 × 20,522.45
  4. Step 4: Simplify right side
    27,938.81x = 860,624,537.81
  5. Step 5: Solve for x
    x = 860,624,537.81/27,938.81
  6. Step 6: Final answer
    x = 30,803.91

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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.