Home / 28,903.76-43,361.68-16,429.52

Finding the Fourth Proportional to 28,903.76, 43,361.68 and 16,429.52

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Solution

The fourth proportional to 28,903.76, 43,361.68 and 16,429.52 is: 24,647.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.76 : 43,361.68 = 16,429.52 : x
  2. Step 2: Convert to fraction form
    28,903.76/43,361.68 = 16,429.52/x
  3. Step 3: Cross multiply
    28,903.76x = 43,361.68 × 16,429.52
  4. Step 4: Simplify right side
    28,903.76x = 712,411,588.79
  5. Step 5: Solve for x
    x = 712,411,588.79/28,903.76
  6. Step 6: Final answer
    x = 24,647.71

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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.