Home / 18,807.20-28,254.87-17,743.25

Finding the Fourth Proportional to 18,807.20, 28,254.87 and 17,743.25

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Solution

The fourth proportional to 18,807.20, 28,254.87 and 17,743.25 is: 26,656.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,807.20 : 28,254.87 = 17,743.25 : x
  2. Step 2: Convert to fraction form
    18,807.20/28,254.87 = 17,743.25/x
  3. Step 3: Cross multiply
    18,807.20x = 28,254.87 × 17,743.25
  4. Step 4: Simplify right side
    18,807.20x = 501,333,222.13
  5. Step 5: Solve for x
    x = 501,333,222.13/18,807.20
  6. Step 6: Final answer
    x = 26,656.46

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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.