Home / 42,209.21-63,268.25-27,428.73

Finding the Fourth Proportional to 42,209.21, 63,268.25 and 27,428.73

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Solution

The fourth proportional to 42,209.21, 63,268.25 and 27,428.73 is: 41,113.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,209.21 : 63,268.25 = 27,428.73 : x
  2. Step 2: Convert to fraction form
    42,209.21/63,268.25 = 27,428.73/x
  3. Step 3: Cross multiply
    42,209.21x = 63,268.25 × 27,428.73
  4. Step 4: Simplify right side
    42,209.21x = 1,735,367,609.68
  5. Step 5: Solve for x
    x = 1,735,367,609.68/42,209.21
  6. Step 6: Final answer
    x = 41,113.49

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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.