Home / 28,927.14-43,361.16-16,420.75

Finding the Fourth Proportional to 28,927.14, 43,361.16 and 16,420.75

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Solution

The fourth proportional to 28,927.14, 43,361.16 and 16,420.75 is: 24,614.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,927.14 : 43,361.16 = 16,420.75 : x
  2. Step 2: Convert to fraction form
    28,927.14/43,361.16 = 16,420.75/x
  3. Step 3: Cross multiply
    28,927.14x = 43,361.16 × 16,420.75
  4. Step 4: Simplify right side
    28,927.14x = 712,022,768.07
  5. Step 5: Solve for x
    x = 712,022,768.07/28,927.14
  6. Step 6: Final answer
    x = 24,614.35

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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.