Home / 27,942.81-41,941.76-20,526.45

Finding the Fourth Proportional to 27,942.81, 41,941.76 and 20,526.45

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Solution

The fourth proportional to 27,942.81, 41,941.76 and 20,526.45 is: 30,809.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,942.81 : 41,941.76 = 20,526.45 : x
  2. Step 2: Convert to fraction form
    27,942.81/41,941.76 = 20,526.45/x
  3. Step 3: Cross multiply
    27,942.81x = 41,941.76 × 20,526.45
  4. Step 4: Simplify right side
    27,942.81x = 860,915,336.92
  5. Step 5: Solve for x
    x = 860,915,336.92/27,942.81
  6. Step 6: Final answer
    x = 30,809.91

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1.5x scale

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.