Home / 17,775.24-26,684.72-16,856.70

Finding the Fourth Proportional to 17,775.24, 26,684.72 and 16,856.70

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Solution

The fourth proportional to 17,775.24, 26,684.72 and 16,856.70 is: 25,305.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,775.24 : 26,684.72 = 16,856.70 : x
  2. Step 2: Convert to fraction form
    17,775.24/26,684.72 = 16,856.70/x
  3. Step 3: Cross multiply
    17,775.24x = 26,684.72 × 16,856.70
  4. Step 4: Simplify right side
    17,775.24x = 449,816,319.62
  5. Step 5: Solve for x
    x = 449,816,319.62/17,775.24
  6. Step 6: Final answer
    x = 25,305.78

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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.