Home / 26,288.47-39,438.83-8,518.42

Finding the Fourth Proportional to 26,288.47, 39,438.83 and 8,518.42

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Solution

The fourth proportional to 26,288.47, 39,438.83 and 8,518.42 is: 12,779.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,288.47 : 39,438.83 = 8,518.42 : x
  2. Step 2: Convert to fraction form
    26,288.47/39,438.83 = 8,518.42/x
  3. Step 3: Cross multiply
    26,288.47x = 39,438.83 × 8,518.42
  4. Step 4: Simplify right side
    26,288.47x = 335,956,518.25
  5. Step 5: Solve for x
    x = 335,956,518.25/26,288.47
  6. Step 6: Final answer
    x = 12,779.61

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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.