Home / 82,028.60-123,045.56-25,869.25

Finding the Fourth Proportional to 82,028.60, 123,045.56 and 25,869.25

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Solution

The fourth proportional to 82,028.60, 123,045.56 and 25,869.25 is: 38,804.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,028.60 : 123,045.56 = 25,869.25 : x
  2. Step 2: Convert to fraction form
    82,028.60/123,045.56 = 25,869.25/x
  3. Step 3: Cross multiply
    82,028.60x = 123,045.56 × 25,869.25
  4. Step 4: Simplify right side
    82,028.60x = 3,183,096,055.68
  5. Step 5: Solve for x
    x = 3,183,096,055.68/82,028.60
  6. Step 6: Final answer
    x = 38,804.71

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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.