Home / 28,924.13-43,410.77-20,624.47

Finding the Fourth Proportional to 28,924.13, 43,410.77 and 20,624.47

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Solution

The fourth proportional to 28,924.13, 43,410.77 and 20,624.47 is: 30,954.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,924.13 : 43,410.77 = 20,624.47 : x
  2. Step 2: Convert to fraction form
    28,924.13/43,410.77 = 20,624.47/x
  3. Step 3: Cross multiply
    28,924.13x = 43,410.77 × 20,624.47
  4. Step 4: Simplify right side
    28,924.13x = 895,324,123.54
  5. Step 5: Solve for x
    x = 895,324,123.54/28,924.13
  6. Step 6: Final answer
    x = 30,954.23

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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.