Home / 27,396.50-37,806.53-15,459.53

Finding the Fourth Proportional to 27,396.50, 37,806.53 and 15,459.53

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Solution

The fourth proportional to 27,396.50, 37,806.53 and 15,459.53 is: 21,333.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,396.50 : 37,806.53 = 15,459.53 : x
  2. Step 2: Convert to fraction form
    27,396.50/37,806.53 = 15,459.53/x
  3. Step 3: Cross multiply
    27,396.50x = 37,806.53 × 15,459.53
  4. Step 4: Simplify right side
    27,396.50x = 584,470,918.40
  5. Step 5: Solve for x
    x = 584,470,918.40/27,396.50
  6. Step 6: Final answer
    x = 21,333.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.