Home / 18,876.88-28,305.60-7,025.77

Finding the Fourth Proportional to 18,876.88, 28,305.60 and 7,025.77

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Solution

The fourth proportional to 18,876.88, 28,305.60 and 7,025.77 is: 10,535.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,876.88 : 28,305.60 = 7,025.77 : x
  2. Step 2: Convert to fraction form
    18,876.88/28,305.60 = 7,025.77/x
  3. Step 3: Cross multiply
    18,876.88x = 28,305.60 × 7,025.77
  4. Step 4: Simplify right side
    18,876.88x = 198,868,635.31
  5. Step 5: Solve for x
    x = 198,868,635.31/18,876.88
  6. Step 6: Final answer
    x = 10,535.04

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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.