Home / 28,927.52-43,361.73-16,421.12

Finding the Fourth Proportional to 28,927.52, 43,361.73 and 16,421.12

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Solution

The fourth proportional to 28,927.52, 43,361.73 and 16,421.12 is: 24,614.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,927.52 : 43,361.73 = 16,421.12 : x
  2. Step 2: Convert to fraction form
    28,927.52/43,361.73 = 16,421.12/x
  3. Step 3: Cross multiply
    28,927.52x = 43,361.73 × 16,421.12
  4. Step 4: Simplify right side
    28,927.52x = 712,048,171.74
  5. Step 5: Solve for x
    x = 712,048,171.74/28,927.52
  6. Step 6: Final answer
    x = 24,614.91

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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.