Home / 28,367.47-39,144.71-16,723.83

Finding the Fourth Proportional to 28,367.47, 39,144.71 and 16,723.83

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Solution

The fourth proportional to 28,367.47, 39,144.71 and 16,723.83 is: 23,077.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,367.47 : 39,144.71 = 16,723.83 : x
  2. Step 2: Convert to fraction form
    28,367.47/39,144.71 = 16,723.83/x
  3. Step 3: Cross multiply
    28,367.47x = 39,144.71 × 16,723.83
  4. Step 4: Simplify right side
    28,367.47x = 654,649,475.44
  5. Step 5: Solve for x
    x = 654,649,475.44/28,367.47
  6. Step 6: Final answer
    x = 23,077.47

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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.