Home / 28,956.14-39,955.22-16,208.66

Finding the Fourth Proportional to 28,956.14, 39,955.22 and 16,208.66

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Solution

The fourth proportional to 28,956.14, 39,955.22 and 16,208.66 is: 22,365.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,956.14 : 39,955.22 = 16,208.66 : x
  2. Step 2: Convert to fraction form
    28,956.14/39,955.22 = 16,208.66/x
  3. Step 3: Cross multiply
    28,956.14x = 39,955.22 × 16,208.66
  4. Step 4: Simplify right side
    28,956.14x = 647,620,295.39
  5. Step 5: Solve for x
    x = 647,620,295.39/28,956.14
  6. Step 6: Final answer
    x = 22,365.56

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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.