Home / 28,923.23-43,335.34-15,784.83

Finding the Fourth Proportional to 28,923.23, 43,335.34 and 15,784.83

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Solution

The fourth proportional to 28,923.23, 43,335.34 and 15,784.83 is: 23,650.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,923.23 : 43,335.34 = 15,784.83 : x
  2. Step 2: Convert to fraction form
    28,923.23/43,335.34 = 15,784.83/x
  3. Step 3: Cross multiply
    28,923.23x = 43,335.34 × 15,784.83
  4. Step 4: Simplify right side
    28,923.23x = 684,040,935.43
  5. Step 5: Solve for x
    x = 684,040,935.43/28,923.23
  6. Step 6: Final answer
    x = 23,650.22

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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.