Home / 28,860.05-39,826.48-16,113.43

Finding the Fourth Proportional to 28,860.05, 39,826.48 and 16,113.43

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Solution

The fourth proportional to 28,860.05, 39,826.48 and 16,113.43 is: 22,236.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860.05 : 39,826.48 = 16,113.43 : x
  2. Step 2: Convert to fraction form
    28,860.05/39,826.48 = 16,113.43/x
  3. Step 3: Cross multiply
    28,860.05x = 39,826.48 × 16,113.43
  4. Step 4: Simplify right side
    28,860.05x = 641,741,256.86
  5. Step 5: Solve for x
    x = 641,741,256.86/28,860.05
  6. Step 6: Final answer
    x = 22,236.32

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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.