Home / 26,646.94-39,982.20-13,993.72

Finding the Fourth Proportional to 26,646.94, 39,982.20 and 13,993.72

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Solution

The fourth proportional to 26,646.94, 39,982.20 and 13,993.72 is: 20,996.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,646.94 : 39,982.20 = 13,993.72 : x
  2. Step 2: Convert to fraction form
    26,646.94/39,982.20 = 13,993.72/x
  3. Step 3: Cross multiply
    26,646.94x = 39,982.20 × 13,993.72
  4. Step 4: Simplify right side
    26,646.94x = 559,499,711.78
  5. Step 5: Solve for x
    x = 559,499,711.78/26,646.94
  6. Step 6: Final answer
    x = 20,996.77

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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.