Home / 27,792.77-38,353.64-15,217.52

Finding the Fourth Proportional to 27,792.77, 38,353.64 and 15,217.52

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Solution

The fourth proportional to 27,792.77, 38,353.64 and 15,217.52 is: 20,999.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,792.77 : 38,353.64 = 15,217.52 : x
  2. Step 2: Convert to fraction form
    27,792.77/38,353.64 = 15,217.52/x
  3. Step 3: Cross multiply
    27,792.77x = 38,353.64 × 15,217.52
  4. Step 4: Simplify right side
    27,792.77x = 583,647,015.92
  5. Step 5: Solve for x
    x = 583,647,015.92/27,792.77
  6. Step 6: Final answer
    x = 20,999.96

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1.5x scale

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.