Home / 28,943.48-43,359.12-16,425.64

Finding the Fourth Proportional to 28,943.48, 43,359.12 and 16,425.64

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Solution

The fourth proportional to 28,943.48, 43,359.12 and 16,425.64 is: 24,606.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,943.48 : 43,359.12 = 16,425.64 : x
  2. Step 2: Convert to fraction form
    28,943.48/43,359.12 = 16,425.64/x
  3. Step 3: Cross multiply
    28,943.48x = 43,359.12 × 16,425.64
  4. Step 4: Simplify right side
    28,943.48x = 712,201,295.84
  5. Step 5: Solve for x
    x = 712,201,295.84/28,943.48
  6. Step 6: Final answer
    x = 24,606.62

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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.