Home / 26,311.03-39,468.58-8,780.83

Finding the Fourth Proportional to 26,311.03, 39,468.58 and 8,780.83

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Solution

The fourth proportional to 26,311.03, 39,468.58 and 8,780.83 is: 13,171.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,311.03 : 39,468.58 = 8,780.83 : x
  2. Step 2: Convert to fraction form
    26,311.03/39,468.58 = 8,780.83/x
  3. Step 3: Cross multiply
    26,311.03x = 39,468.58 × 8,780.83
  4. Step 4: Simplify right side
    26,311.03x = 346,566,770.70
  5. Step 5: Solve for x
    x = 346,566,770.70/26,311.03
  6. Step 6: Final answer
    x = 13,171.92

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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.