Home / 28,880.31-43,322.01-9,160.44

Finding the Fourth Proportional to 28,880.31, 43,322.01 and 9,160.44

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Solution

The fourth proportional to 28,880.31, 43,322.01 and 9,160.44 is: 13,741.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.31 : 43,322.01 = 9,160.44 : x
  2. Step 2: Convert to fraction form
    28,880.31/43,322.01 = 9,160.44/x
  3. Step 3: Cross multiply
    28,880.31x = 43,322.01 × 9,160.44
  4. Step 4: Simplify right side
    28,880.31x = 396,848,673.28
  5. Step 5: Solve for x
    x = 396,848,673.28/28,880.31
  6. Step 6: Final answer
    x = 13,741.15

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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.