Home / 25,816.17-38,719.78-7,091.75

Finding the Fourth Proportional to 25,816.17, 38,719.78 and 7,091.75

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Solution

The fourth proportional to 25,816.17, 38,719.78 and 7,091.75 is: 10,636.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,816.17 : 38,719.78 = 7,091.75 : x
  2. Step 2: Convert to fraction form
    25,816.17/38,719.78 = 7,091.75/x
  3. Step 3: Cross multiply
    25,816.17x = 38,719.78 × 7,091.75
  4. Step 4: Simplify right side
    25,816.17x = 274,590,806.22
  5. Step 5: Solve for x
    x = 274,590,806.22/25,816.17
  6. Step 6: Final answer
    x = 10,636.39

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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.