Home / 28,673.18-42,952.26-14,632.64

Finding the Fourth Proportional to 28,673.18, 42,952.26 and 14,632.64

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Solution

The fourth proportional to 28,673.18, 42,952.26 and 14,632.64 is: 21,919.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,673.18 : 42,952.26 = 14,632.64 : x
  2. Step 2: Convert to fraction form
    28,673.18/42,952.26 = 14,632.64/x
  3. Step 3: Cross multiply
    28,673.18x = 42,952.26 × 14,632.64
  4. Step 4: Simplify right side
    28,673.18x = 628,504,957.77
  5. Step 5: Solve for x
    x = 628,504,957.77/28,673.18
  6. Step 6: Final answer
    x = 21,919.61

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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.