Home / 28,962.46-43,412.64-18,963.42

Finding the Fourth Proportional to 28,962.46, 43,412.64 and 18,963.42

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Solution

The fourth proportional to 28,962.46, 43,412.64 and 18,963.42 is: 28,424.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,962.46 : 43,412.64 = 18,963.42 : x
  2. Step 2: Convert to fraction form
    28,962.46/43,412.64 = 18,963.42/x
  3. Step 3: Cross multiply
    28,962.46x = 43,412.64 × 18,963.42
  4. Step 4: Simplify right side
    28,962.46x = 823,251,908.57
  5. Step 5: Solve for x
    x = 823,251,908.57/28,962.46
  6. Step 6: Final answer
    x = 28,424.79

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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.