Home / 25,828.64-38,739.30-8,296.20

Finding the Fourth Proportional to 25,828.64, 38,739.30 and 8,296.20

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Solution

The fourth proportional to 25,828.64, 38,739.30 and 8,296.20 is: 12,443.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,828.64 : 38,739.30 = 8,296.20 : x
  2. Step 2: Convert to fraction form
    25,828.64/38,739.30 = 8,296.20/x
  3. Step 3: Cross multiply
    25,828.64x = 38,739.30 × 8,296.20
  4. Step 4: Simplify right side
    25,828.64x = 321,388,980.66
  5. Step 5: Solve for x
    x = 321,388,980.66/25,828.64
  6. Step 6: Final answer
    x = 12,443.12

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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.