Home / 28,713.41-39,629.39-18,501.56

Finding the Fourth Proportional to 28,713.41, 39,629.39 and 18,501.56

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Solution

The fourth proportional to 28,713.41, 39,629.39 and 18,501.56 is: 25,535.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,713.41 : 39,629.39 = 18,501.56 : x
  2. Step 2: Convert to fraction form
    28,713.41/39,629.39 = 18,501.56/x
  3. Step 3: Cross multiply
    28,713.41x = 39,629.39 × 18,501.56
  4. Step 4: Simplify right side
    28,713.41x = 733,205,536.85
  5. Step 5: Solve for x
    x = 733,205,536.85/28,713.41
  6. Step 6: Final answer
    x = 25,535.30

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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.