Home / 27,648.32-38,157.41-16,321.55

Finding the Fourth Proportional to 27,648.32, 38,157.41 and 16,321.55

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Solution

The fourth proportional to 27,648.32, 38,157.41 and 16,321.55 is: 22,525.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,648.32 : 38,157.41 = 16,321.55 : x
  2. Step 2: Convert to fraction form
    27,648.32/38,157.41 = 16,321.55/x
  3. Step 3: Cross multiply
    27,648.32x = 38,157.41 × 16,321.55
  4. Step 4: Simplify right side
    27,648.32x = 622,787,925.20
  5. Step 5: Solve for x
    x = 622,787,925.20/27,648.32
  6. Step 6: Final answer
    x = 22,525.35

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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.