Home / 28,577.48-42,868.26-9,857.24

Finding the Fourth Proportional to 28,577.48, 42,868.26 and 9,857.24

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Solution

The fourth proportional to 28,577.48, 42,868.26 and 9,857.24 is: 14,786.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,577.48 : 42,868.26 = 9,857.24 : x
  2. Step 2: Convert to fraction form
    28,577.48/42,868.26 = 9,857.24/x
  3. Step 3: Cross multiply
    28,577.48x = 42,868.26 × 9,857.24
  4. Step 4: Simplify right side
    28,577.48x = 422,562,512.86
  5. Step 5: Solve for x
    x = 422,562,512.86/28,577.48
  6. Step 6: Final answer
    x = 14,786.56

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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.