Home / 26,542.43-39,778.26-9,885.70

Finding the Fourth Proportional to 26,542.43, 39,778.26 and 9,885.70

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Solution

The fourth proportional to 26,542.43, 39,778.26 and 9,885.70 is: 14,815.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,542.43 : 39,778.26 = 9,885.70 : x
  2. Step 2: Convert to fraction form
    26,542.43/39,778.26 = 9,885.70/x
  3. Step 3: Cross multiply
    26,542.43x = 39,778.26 × 9,885.70
  4. Step 4: Simplify right side
    26,542.43x = 393,235,817.19
  5. Step 5: Solve for x
    x = 393,235,817.19/26,542.43
  6. Step 6: Final answer
    x = 14,815.36

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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.