Home / 28,525.37-42,714.14-19,668.02

Finding the Fourth Proportional to 28,525.37, 42,714.14 and 19,668.02

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Solution

The fourth proportional to 28,525.37, 42,714.14 and 19,668.02 is: 29,451.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,525.37 : 42,714.14 = 19,668.02 : x
  2. Step 2: Convert to fraction form
    28,525.37/42,714.14 = 19,668.02/x
  3. Step 3: Cross multiply
    28,525.37x = 42,714.14 × 19,668.02
  4. Step 4: Simplify right side
    28,525.37x = 840,102,247.89
  5. Step 5: Solve for x
    x = 840,102,247.89/28,525.37
  6. Step 6: Final answer
    x = 29,451.06

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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.