Home / 28,137.60-42,185.43-17,041.86

Finding the Fourth Proportional to 28,137.60, 42,185.43 and 17,041.86

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Solution

The fourth proportional to 28,137.60, 42,185.43 and 17,041.86 is: 25,550.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,137.60 : 42,185.43 = 17,041.86 : x
  2. Step 2: Convert to fraction form
    28,137.60/42,185.43 = 17,041.86/x
  3. Step 3: Cross multiply
    28,137.60x = 42,185.43 × 17,041.86
  4. Step 4: Simplify right side
    28,137.60x = 718,918,192.10
  5. Step 5: Solve for x
    x = 718,918,192.10/28,137.60
  6. Step 6: Final answer
    x = 25,550.09

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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.