Home / 26,214.80-39,318.53-8,447.27

Finding the Fourth Proportional to 26,214.80, 39,318.53 and 8,447.27

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Solution

The fourth proportional to 26,214.80, 39,318.53 and 8,447.27 is: 12,669.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,214.80 : 39,318.53 = 8,447.27 : x
  2. Step 2: Convert to fraction form
    26,214.80/39,318.53 = 8,447.27/x
  3. Step 3: Cross multiply
    26,214.80x = 39,318.53 × 8,447.27
  4. Step 4: Simplify right side
    26,214.80x = 332,134,000.08
  5. Step 5: Solve for x
    x = 332,134,000.08/26,214.80
  6. Step 6: Final answer
    x = 12,669.72

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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.