Home / 28,793.29-39,736.09-16,860.47

Finding the Fourth Proportional to 28,793.29, 39,736.09 and 16,860.47

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Solution

The fourth proportional to 28,793.29, 39,736.09 and 16,860.47 is: 23,268.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,793.29 : 39,736.09 = 16,860.47 : x
  2. Step 2: Convert to fraction form
    28,793.29/39,736.09 = 16,860.47/x
  3. Step 3: Cross multiply
    28,793.29x = 39,736.09 × 16,860.47
  4. Step 4: Simplify right side
    28,793.29x = 669,969,124.77
  5. Step 5: Solve for x
    x = 669,969,124.77/28,793.29
  6. Step 6: Final answer
    x = 23,268.24

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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.