Home / 28,104.34-38,785.46-16,169.47

Finding the Fourth Proportional to 28,104.34, 38,785.46 and 16,169.47

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Solution

The fourth proportional to 28,104.34, 38,785.46 and 16,169.47 is: 22,314.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,104.34 : 38,785.46 = 16,169.47 : x
  2. Step 2: Convert to fraction form
    28,104.34/38,785.46 = 16,169.47/x
  3. Step 3: Cross multiply
    28,104.34x = 38,785.46 × 16,169.47
  4. Step 4: Simplify right side
    28,104.34x = 627,140,331.91
  5. Step 5: Solve for x
    x = 627,140,331.91/28,104.34
  6. Step 6: Final answer
    x = 22,314.71

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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.