Home / 25,111.73-34,651.67-15,039.91

Finding the Fourth Proportional to 25,111.73, 34,651.67 and 15,039.91

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Solution

The fourth proportional to 25,111.73, 34,651.67 and 15,039.91 is: 20,753.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,111.73 : 34,651.67 = 15,039.91 : x
  2. Step 2: Convert to fraction form
    25,111.73/34,651.67 = 15,039.91/x
  3. Step 3: Cross multiply
    25,111.73x = 34,651.67 × 15,039.91
  4. Step 4: Simplify right side
    25,111.73x = 521,157,836.32
  5. Step 5: Solve for x
    x = 521,157,836.32/25,111.73
  6. Step 6: Final answer
    x = 20,753.56

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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.