Home / 27,649.32-38,158.79-16,322.55

Finding the Fourth Proportional to 27,649.32, 38,158.79 and 16,322.55

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Solution

The fourth proportional to 27,649.32, 38,158.79 and 16,322.55 is: 22,526.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,649.32 : 38,158.79 = 16,322.55 : x
  2. Step 2: Convert to fraction form
    27,649.32/38,158.79 = 16,322.55/x
  3. Step 3: Cross multiply
    27,649.32x = 38,158.79 × 16,322.55
  4. Step 4: Simplify right side
    27,649.32x = 622,848,757.71
  5. Step 5: Solve for x
    x = 622,848,757.71/27,649.32
  6. Step 6: Final answer
    x = 22,526.73

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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.