Home / 19,333.44-28,961.28-10,080

Finding the Fourth Proportional to 19,333.44, 28,961.28 and 10,080

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Solution

The fourth proportional to 19,333.44, 28,961.28 and 10,080 is: 15,099.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,333.44 : 28,961.28 = 10,080 : x
  2. Step 2: Convert to fraction form
    19,333.44/28,961.28 = 10,080/x
  3. Step 3: Cross multiply
    19,333.44x = 28,961.28 × 10,080
  4. Step 4: Simplify right side
    19,333.44x = 291,929,702.40
  5. Step 5: Solve for x
    x = 291,929,702.40/19,333.44
  6. Step 6: Final answer
    x = 15,099.73

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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.