Home / 28,883.64-39,859.44-16,308.48

Finding the Fourth Proportional to 28,883.64, 39,859.44 and 16,308.48

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Solution

The fourth proportional to 28,883.64, 39,859.44 and 16,308.48 is: 22,505.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883.64 : 39,859.44 = 16,308.48 : x
  2. Step 2: Convert to fraction form
    28,883.64/39,859.44 = 16,308.48/x
  3. Step 3: Cross multiply
    28,883.64x = 39,859.44 × 16,308.48
  4. Step 4: Simplify right side
    28,883.64x = 650,046,880.05
  5. Step 5: Solve for x
    x = 650,046,880.05/28,883.64
  6. Step 6: Final answer
    x = 22,505.71

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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.