Home / 27,981.99-41,962.90-9,258.57

Finding the Fourth Proportional to 27,981.99, 41,962.90 and 9,258.57

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Solution

The fourth proportional to 27,981.99, 41,962.90 and 9,258.57 is: 13,884.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,981.99 : 41,962.90 = 9,258.57 : x
  2. Step 2: Convert to fraction form
    27,981.99/41,962.90 = 9,258.57/x
  3. Step 3: Cross multiply
    27,981.99x = 41,962.90 × 9,258.57
  4. Step 4: Simplify right side
    27,981.99x = 388,516,214.09
  5. Step 5: Solve for x
    x = 388,516,214.09/27,981.99
  6. Step 6: Final answer
    x = 13,884.51

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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.