Home / 28,963.98-43,378.54-28,165.93

Finding the Fourth Proportional to 28,963.98, 43,378.54 and 28,165.93

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Solution

The fourth proportional to 28,963.98, 43,378.54 and 28,165.93 is: 42,183.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,963.98 : 43,378.54 = 28,165.93 : x
  2. Step 2: Convert to fraction form
    28,963.98/43,378.54 = 28,165.93/x
  3. Step 3: Cross multiply
    28,963.98x = 43,378.54 × 28,165.93
  4. Step 4: Simplify right side
    28,963.98x = 1,221,796,742.28
  5. Step 5: Solve for x
    x = 1,221,796,742.28/28,963.98
  6. Step 6: Final answer
    x = 42,183.32

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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.