Home / 28,429.03-42,687.29-25,338.07

Finding the Fourth Proportional to 28,429.03, 42,687.29 and 25,338.07

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Solution

The fourth proportional to 28,429.03, 42,687.29 and 25,338.07 is: 38,046.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,429.03 : 42,687.29 = 25,338.07 : x
  2. Step 2: Convert to fraction form
    28,429.03/42,687.29 = 25,338.07/x
  3. Step 3: Cross multiply
    28,429.03x = 42,687.29 × 25,338.07
  4. Step 4: Simplify right side
    28,429.03x = 1,081,613,542.13
  5. Step 5: Solve for x
    x = 1,081,613,542.13/28,429.03
  6. Step 6: Final answer
    x = 38,046.09

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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.