Home / 26,391.60-39,553.56-10,790.64

Finding the Fourth Proportional to 26,391.60, 39,553.56 and 10,790.64

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Solution

The fourth proportional to 26,391.60, 39,553.56 and 10,790.64 is: 16,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,391.60 : 39,553.56 = 10,790.64 : x
  2. Step 2: Convert to fraction form
    26,391.60/39,553.56 = 10,790.64/x
  3. Step 3: Cross multiply
    26,391.60x = 39,553.56 × 10,790.64
  4. Step 4: Simplify right side
    26,391.60x = 426,808,226.68
  5. Step 5: Solve for x
    x = 426,808,226.68/26,391.60
  6. Step 6: Final answer
    x = 16,172.12

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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.