Home / 26,429.40-39,600.09-18,622.08

Finding the Fourth Proportional to 26,429.40, 39,600.09 and 18,622.08

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Solution

The fourth proportional to 26,429.40, 39,600.09 and 18,622.08 is: 27,902.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,429.40 : 39,600.09 = 18,622.08 : x
  2. Step 2: Convert to fraction form
    26,429.40/39,600.09 = 18,622.08/x
  3. Step 3: Cross multiply
    26,429.40x = 39,600.09 × 18,622.08
  4. Step 4: Simplify right side
    26,429.40x = 737,436,043.99
  5. Step 5: Solve for x
    x = 737,436,043.99/26,429.40
  6. Step 6: Final answer
    x = 27,902.11

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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.