Home / 26,222.70-39,334.05-19,569.90

Finding the Fourth Proportional to 26,222.70, 39,334.05 and 19,569.90

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Solution

The fourth proportional to 26,222.70, 39,334.05 and 19,569.90 is: 29,354.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,222.70 : 39,334.05 = 19,569.90 : x
  2. Step 2: Convert to fraction form
    26,222.70/39,334.05 = 19,569.90/x
  3. Step 3: Cross multiply
    26,222.70x = 39,334.05 × 19,569.90
  4. Step 4: Simplify right side
    26,222.70x = 769,763,425.10
  5. Step 5: Solve for x
    x = 769,763,425.10/26,222.70
  6. Step 6: Final answer
    x = 29,354.85

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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.