Home / 28,942.28-39,942.96-16,366.76

Finding the Fourth Proportional to 28,942.28, 39,942.96 and 16,366.76

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Solution

The fourth proportional to 28,942.28, 39,942.96 and 16,366.76 is: 22,587.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,942.28 : 39,942.96 = 16,366.76 : x
  2. Step 2: Convert to fraction form
    28,942.28/39,942.96 = 16,366.76/x
  3. Step 3: Cross multiply
    28,942.28x = 39,942.96 × 16,366.76
  4. Step 4: Simplify right side
    28,942.28x = 653,736,840.01
  5. Step 5: Solve for x
    x = 653,736,840.01/28,942.28
  6. Step 6: Final answer
    x = 22,587.61

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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.