Home / 28,604.60-42,906.90-19,273.40

Finding the Fourth Proportional to 28,604.60, 42,906.90 and 19,273.40

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Solution

The fourth proportional to 28,604.60, 42,906.90 and 19,273.40 is: 28,910.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,604.60 : 42,906.90 = 19,273.40 : x
  2. Step 2: Convert to fraction form
    28,604.60/42,906.90 = 19,273.40/x
  3. Step 3: Cross multiply
    28,604.60x = 42,906.90 × 19,273.40
  4. Step 4: Simplify right side
    28,604.60x = 826,961,846.46
  5. Step 5: Solve for x
    x = 826,961,846.46/28,604.60
  6. Step 6: Final answer
    x = 28,910.10

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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.