Home / 26,202.45-39,319.88-10,620.21

Finding the Fourth Proportional to 26,202.45, 39,319.88 and 10,620.21

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Solution

The fourth proportional to 26,202.45, 39,319.88 and 10,620.21 is: 15,936.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,202.45 : 39,319.88 = 10,620.21 : x
  2. Step 2: Convert to fraction form
    26,202.45/39,319.88 = 10,620.21/x
  3. Step 3: Cross multiply
    26,202.45x = 39,319.88 × 10,620.21
  4. Step 4: Simplify right side
    26,202.45x = 417,585,329.67
  5. Step 5: Solve for x
    x = 417,585,329.67/26,202.45
  6. Step 6: Final answer
    x = 15,936.88

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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.