Home / 26,499.20-39,754.26-7,779.83

Finding the Fourth Proportional to 26,499.20, 39,754.26 and 7,779.83

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Solution

The fourth proportional to 26,499.20, 39,754.26 and 7,779.83 is: 11,671.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,499.20 : 39,754.26 = 7,779.83 : x
  2. Step 2: Convert to fraction form
    26,499.20/39,754.26 = 7,779.83/x
  3. Step 3: Cross multiply
    26,499.20x = 39,754.26 × 7,779.83
  4. Step 4: Simplify right side
    26,499.20x = 309,281,185.80
  5. Step 5: Solve for x
    x = 309,281,185.80/26,499.20
  6. Step 6: Final answer
    x = 11,671.34

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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.