Home / 27,639.34-41,459-10,099.60

Finding the Fourth Proportional to 27,639.34, 41,459 and 10,099.60

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Solution

The fourth proportional to 27,639.34, 41,459 and 10,099.60 is: 15,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,639.34 : 41,459 = 10,099.60 : x
  2. Step 2: Convert to fraction form
    27,639.34/41,459 = 10,099.60/x
  3. Step 3: Cross multiply
    27,639.34x = 41,459 × 10,099.60
  4. Step 4: Simplify right side
    27,639.34x = 418,719,316.40
  5. Step 5: Solve for x
    x = 418,719,316.40/27,639.34
  6. Step 6: Final answer
    x = 15,149.40

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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.