Home / 27,810.20-41,747.70-16,729.40

Finding the Fourth Proportional to 27,810.20, 41,747.70 and 16,729.40

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Solution

The fourth proportional to 27,810.20, 41,747.70 and 16,729.40 is: 25,113.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,810.20 : 41,747.70 = 16,729.40 : x
  2. Step 2: Convert to fraction form
    27,810.20/41,747.70 = 16,729.40/x
  3. Step 3: Cross multiply
    27,810.20x = 41,747.70 × 16,729.40
  4. Step 4: Simplify right side
    27,810.20x = 698,413,972.38
  5. Step 5: Solve for x
    x = 698,413,972.38/27,810.20
  6. Step 6: Final answer
    x = 25,113.59

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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.