Home / 26,283.12-39,355.68-20,993.76

Finding the Fourth Proportional to 26,283.12, 39,355.68 and 20,993.76

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Solution

The fourth proportional to 26,283.12, 39,355.68 and 20,993.76 is: 31,435.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,283.12 : 39,355.68 = 20,993.76 : x
  2. Step 2: Convert to fraction form
    26,283.12/39,355.68 = 20,993.76/x
  3. Step 3: Cross multiply
    26,283.12x = 39,355.68 × 20,993.76
  4. Step 4: Simplify right side
    26,283.12x = 826,223,700.56
  5. Step 5: Solve for x
    x = 826,223,700.56/26,283.12
  6. Step 6: Final answer
    x = 31,435.53

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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.