Home / 26,830.45-37,027.76-15,500.43

Finding the Fourth Proportional to 26,830.45, 37,027.76 and 15,500.43

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Solution

The fourth proportional to 26,830.45, 37,027.76 and 15,500.43 is: 21,391.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,830.45 : 37,027.76 = 15,500.43 : x
  2. Step 2: Convert to fraction form
    26,830.45/37,027.76 = 15,500.43/x
  3. Step 3: Cross multiply
    26,830.45x = 37,027.76 × 15,500.43
  4. Step 4: Simplify right side
    26,830.45x = 573,946,201.94
  5. Step 5: Solve for x
    x = 573,946,201.94/26,830.45
  6. Step 6: Final answer
    x = 21,391.60

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1.5x scale

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.