Home / 28,101.94-38,777.74-16,167

Finding the Fourth Proportional to 28,101.94, 38,777.74 and 16,167

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Solution

The fourth proportional to 28,101.94, 38,777.74 and 16,167 is: 22,308.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,101.94 : 38,777.74 = 16,167 : x
  2. Step 2: Convert to fraction form
    28,101.94/38,777.74 = 16,167/x
  3. Step 3: Cross multiply
    28,101.94x = 38,777.74 × 16,167
  4. Step 4: Simplify right side
    28,101.94x = 626,919,722.58
  5. Step 5: Solve for x
    x = 626,919,722.58/28,101.94
  6. Step 6: Final answer
    x = 22,308.77

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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.