Home / 28,884.64-39,860.82-16,309.48

Finding the Fourth Proportional to 28,884.64, 39,860.82 and 16,309.48

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Solution

The fourth proportional to 28,884.64, 39,860.82 and 16,309.48 is: 22,507.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,884.64 : 39,860.82 = 16,309.48 : x
  2. Step 2: Convert to fraction form
    28,884.64/39,860.82 = 16,309.48/x
  3. Step 3: Cross multiply
    28,884.64x = 39,860.82 × 16,309.48
  4. Step 4: Simplify right side
    28,884.64x = 650,109,246.57
  5. Step 5: Solve for x
    x = 650,109,246.57/28,884.64
  6. Step 6: Final answer
    x = 22,507.09

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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.