Home / 26,218.40-39,325.80-8,448.80

Finding the Fourth Proportional to 26,218.40, 39,325.80 and 8,448.80

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Solution

The fourth proportional to 26,218.40, 39,325.80 and 8,448.80 is: 12,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,218.40 : 39,325.80 = 8,448.80 : x
  2. Step 2: Convert to fraction form
    26,218.40/39,325.80 = 8,448.80/x
  3. Step 3: Cross multiply
    26,218.40x = 39,325.80 × 8,448.80
  4. Step 4: Simplify right side
    26,218.40x = 332,255,819.04
  5. Step 5: Solve for x
    x = 332,255,819.04/26,218.40
  6. Step 6: Final answer
    x = 12,672.62

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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.