Home / 25,043.68-34,561.44-13,865.92

Finding the Fourth Proportional to 25,043.68, 34,561.44 and 13,865.92

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Solution

The fourth proportional to 25,043.68, 34,561.44 and 13,865.92 is: 19,135.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,043.68 : 34,561.44 = 13,865.92 : x
  2. Step 2: Convert to fraction form
    25,043.68/34,561.44 = 13,865.92/x
  3. Step 3: Cross multiply
    25,043.68x = 34,561.44 × 13,865.92
  4. Step 4: Simplify right side
    25,043.68x = 479,226,162.12
  5. Step 5: Solve for x
    x = 479,226,162.12/25,043.68
  6. Step 6: Final answer
    x = 19,135.61

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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.