Home / 18,433.60-27,650.40-16,902.70

Finding the Fourth Proportional to 18,433.60, 27,650.40 and 16,902.70

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Solution

The fourth proportional to 18,433.60, 27,650.40 and 16,902.70 is: 25,354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433.60 : 27,650.40 = 16,902.70 : x
  2. Step 2: Convert to fraction form
    18,433.60/27,650.40 = 16,902.70/x
  3. Step 3: Cross multiply
    18,433.60x = 27,650.40 × 16,902.70
  4. Step 4: Simplify right side
    18,433.60x = 467,366,416.08
  5. Step 5: Solve for x
    x = 467,366,416.08/18,433.60
  6. Step 6: Final answer
    x = 25,354.05

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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.