Home / 28,360.44-42,543.48-10,845

Finding the Fourth Proportional to 28,360.44, 42,543.48 and 10,845

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Solution

The fourth proportional to 28,360.44, 42,543.48 and 10,845 is: 16,268.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,360.44 : 42,543.48 = 10,845 : x
  2. Step 2: Convert to fraction form
    28,360.44/42,543.48 = 10,845/x
  3. Step 3: Cross multiply
    28,360.44x = 42,543.48 × 10,845
  4. Step 4: Simplify right side
    28,360.44x = 461,384,040.60
  5. Step 5: Solve for x
    x = 461,384,040.60/28,360.44
  6. Step 6: Final answer
    x = 16,268.58

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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.