Home / 18,025.20-27,037.85-4,877.55

Finding the Fourth Proportional to 18,025.20, 27,037.85 and 4,877.55

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Solution

The fourth proportional to 18,025.20, 27,037.85 and 4,877.55 is: 7,316.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,025.20 : 27,037.85 = 4,877.55 : x
  2. Step 2: Convert to fraction form
    18,025.20/27,037.85 = 4,877.55/x
  3. Step 3: Cross multiply
    18,025.20x = 27,037.85 × 4,877.55
  4. Step 4: Simplify right side
    18,025.20x = 131,878,440.88
  5. Step 5: Solve for x
    x = 131,878,440.88/18,025.20
  6. Step 6: Final answer
    x = 7,316.34

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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.