Home / 25,829.76-35,643.84-15,891.84

Finding the Fourth Proportional to 25,829.76, 35,643.84 and 15,891.84

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Solution

The fourth proportional to 25,829.76, 35,643.84 and 15,891.84 is: 21,929.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,829.76 : 35,643.84 = 15,891.84 : x
  2. Step 2: Convert to fraction form
    25,829.76/35,643.84 = 15,891.84/x
  3. Step 3: Cross multiply
    25,829.76x = 35,643.84 × 15,891.84
  4. Step 4: Simplify right side
    25,829.76x = 566,446,202.27
  5. Step 5: Solve for x
    x = 566,446,202.27/25,829.76
  6. Step 6: Final answer
    x = 21,929.98

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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.