Home / 27,575.36-38,054.40-16,958.72

Finding the Fourth Proportional to 27,575.36, 38,054.40 and 16,958.72

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Solution

The fourth proportional to 27,575.36, 38,054.40 and 16,958.72 is: 23,403.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,575.36 : 38,054.40 = 16,958.72 : x
  2. Step 2: Convert to fraction form
    27,575.36/38,054.40 = 16,958.72/x
  3. Step 3: Cross multiply
    27,575.36x = 38,054.40 × 16,958.72
  4. Step 4: Simplify right side
    27,575.36x = 645,353,914.37
  5. Step 5: Solve for x
    x = 645,353,914.37/27,575.36
  6. Step 6: Final answer
    x = 23,403.28

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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.