Home / 28,996.36-43,496.52-9,276.64

Finding the Fourth Proportional to 28,996.36, 43,496.52 and 9,276.64

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Solution

The fourth proportional to 28,996.36, 43,496.52 and 9,276.64 is: 13,915.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996.36 : 43,496.52 = 9,276.64 : x
  2. Step 2: Convert to fraction form
    28,996.36/43,496.52 = 9,276.64/x
  3. Step 3: Cross multiply
    28,996.36x = 43,496.52 × 9,276.64
  4. Step 4: Simplify right side
    28,996.36x = 403,501,557.29
  5. Step 5: Solve for x
    x = 403,501,557.29/28,996.36
  6. Step 6: Final answer
    x = 13,915.59

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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.