Home / 28,543.26-39,389.81-15,968.02

Finding the Fourth Proportional to 28,543.26, 39,389.81 and 15,968.02

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Solution

The fourth proportional to 28,543.26, 39,389.81 and 15,968.02 is: 22,035.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,543.26 : 39,389.81 = 15,968.02 : x
  2. Step 2: Convert to fraction form
    28,543.26/39,389.81 = 15,968.02/x
  3. Step 3: Cross multiply
    28,543.26x = 39,389.81 × 15,968.02
  4. Step 4: Simplify right side
    28,543.26x = 628,977,273.88
  5. Step 5: Solve for x
    x = 628,977,273.88/28,543.26
  6. Step 6: Final answer
    x = 22,035.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.