Home / 28,906.95-43,385.12-20,607.27

Finding the Fourth Proportional to 28,906.95, 43,385.12 and 20,607.27

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Solution

The fourth proportional to 28,906.95, 43,385.12 and 20,607.27 is: 30,928.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,906.95 : 43,385.12 = 20,607.27 : x
  2. Step 2: Convert to fraction form
    28,906.95/43,385.12 = 20,607.27/x
  3. Step 3: Cross multiply
    28,906.95x = 43,385.12 × 20,607.27
  4. Step 4: Simplify right side
    28,906.95x = 894,048,778.79
  5. Step 5: Solve for x
    x = 894,048,778.79/28,906.95
  6. Step 6: Final answer
    x = 30,928.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.