Home / 26,748.24-40,123.60-7,028.80

Finding the Fourth Proportional to 26,748.24, 40,123.60 and 7,028.80

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Solution

The fourth proportional to 26,748.24, 40,123.60 and 7,028.80 is: 10,543.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,748.24 : 40,123.60 = 7,028.80 : x
  2. Step 2: Convert to fraction form
    26,748.24/40,123.60 = 7,028.80/x
  3. Step 3: Cross multiply
    26,748.24x = 40,123.60 × 7,028.80
  4. Step 4: Simplify right side
    26,748.24x = 282,020,759.68
  5. Step 5: Solve for x
    x = 282,020,759.68/26,748.24
  6. Step 6: Final answer
    x = 10,543.53

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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.