Home / 25,986.06-38,955.87-10,187.42

Finding the Fourth Proportional to 25,986.06, 38,955.87 and 10,187.42

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Solution

The fourth proportional to 25,986.06, 38,955.87 and 10,187.42 is: 15,272.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,986.06 : 38,955.87 = 10,187.42 : x
  2. Step 2: Convert to fraction form
    25,986.06/38,955.87 = 10,187.42/x
  3. Step 3: Cross multiply
    25,986.06x = 38,955.87 × 10,187.42
  4. Step 4: Simplify right side
    25,986.06x = 396,859,614.38
  5. Step 5: Solve for x
    x = 396,859,614.38/25,986.06
  6. Step 6: Final answer
    x = 15,272.02

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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.