Home / 27,847.28-38,429.36-16,669.28

Finding the Fourth Proportional to 27,847.28, 38,429.36 and 16,669.28

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Solution

The fourth proportional to 27,847.28, 38,429.36 and 16,669.28 is: 23,003.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,847.28 : 38,429.36 = 16,669.28 : x
  2. Step 2: Convert to fraction form
    27,847.28/38,429.36 = 16,669.28/x
  3. Step 3: Cross multiply
    27,847.28x = 38,429.36 × 16,669.28
  4. Step 4: Simplify right side
    27,847.28x = 640,589,762.06
  5. Step 5: Solve for x
    x = 640,589,762.06/27,847.28
  6. Step 6: Final answer
    x = 23,003.67

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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.