Home / 25,090.65-34,629.66-17,129.97

Finding the Fourth Proportional to 25,090.65, 34,629.66 and 17,129.97

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Solution

The fourth proportional to 25,090.65, 34,629.66 and 17,129.97 is: 23,642.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,090.65 : 34,629.66 = 17,129.97 : x
  2. Step 2: Convert to fraction form
    25,090.65/34,629.66 = 17,129.97/x
  3. Step 3: Cross multiply
    25,090.65x = 34,629.66 × 17,129.97
  4. Step 4: Simplify right side
    25,090.65x = 593,205,036.91
  5. Step 5: Solve for x
    x = 593,205,036.91/25,090.65
  6. Step 6: Final answer
    x = 23,642.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.