Home / 25,851.27-38,703.87-21,079.14

Finding the Fourth Proportional to 25,851.27, 38,703.87 and 21,079.14

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Solution

The fourth proportional to 25,851.27, 38,703.87 and 21,079.14 is: 31,559.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,851.27 : 38,703.87 = 21,079.14 : x
  2. Step 2: Convert to fraction form
    25,851.27/38,703.87 = 21,079.14/x
  3. Step 3: Cross multiply
    25,851.27x = 38,703.87 × 21,079.14
  4. Step 4: Simplify right side
    25,851.27x = 815,844,294.27
  5. Step 5: Solve for x
    x = 815,844,294.27/25,851.27
  6. Step 6: Final answer
    x = 31,559.16

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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.