Home / 26,624.27-39,929.56-7,899.87

Finding the Fourth Proportional to 26,624.27, 39,929.56 and 7,899.87

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Solution

The fourth proportional to 26,624.27, 39,929.56 and 7,899.87 is: 11,847.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,624.27 : 39,929.56 = 7,899.87 : x
  2. Step 2: Convert to fraction form
    26,624.27/39,929.56 = 7,899.87/x
  3. Step 3: Cross multiply
    26,624.27x = 39,929.56 × 7,899.87
  4. Step 4: Simplify right side
    26,624.27x = 315,438,507.58
  5. Step 5: Solve for x
    x = 315,438,507.58/26,624.27
  6. Step 6: Final answer
    x = 11,847.78

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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.