Home / 25,409.34-38,071.89-17,976.96

Finding the Fourth Proportional to 25,409.34, 38,071.89 and 17,976.96

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Solution

The fourth proportional to 25,409.34, 38,071.89 and 17,976.96 is: 26,935.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,409.34 : 38,071.89 = 17,976.96 : x
  2. Step 2: Convert to fraction form
    25,409.34/38,071.89 = 17,976.96/x
  3. Step 3: Cross multiply
    25,409.34x = 38,071.89 × 17,976.96
  4. Step 4: Simplify right side
    25,409.34x = 684,416,843.65
  5. Step 5: Solve for x
    x = 684,416,843.65/25,409.34
  6. Step 6: Final answer
    x = 26,935.64

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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.