Home / 27,622.58-38,118.08-16,885.43

Finding the Fourth Proportional to 27,622.58, 38,118.08 and 16,885.43

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Solution

The fourth proportional to 27,622.58, 38,118.08 and 16,885.43 is: 23,301.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,622.58 : 38,118.08 = 16,885.43 : x
  2. Step 2: Convert to fraction form
    27,622.58/38,118.08 = 16,885.43/x
  3. Step 3: Cross multiply
    27,622.58x = 38,118.08 × 16,885.43
  4. Step 4: Simplify right side
    27,622.58x = 643,640,171.57
  5. Step 5: Solve for x
    x = 643,640,171.57/27,622.58
  6. Step 6: Final answer
    x = 23,301.23

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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.