Home / 13,825.84-20,738.75-3,437.59

Finding the Fourth Proportional to 13,825.84, 20,738.75 and 3,437.59

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Solution

The fourth proportional to 13,825.84, 20,738.75 and 3,437.59 is: 5,156.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825.84 : 20,738.75 = 3,437.59 : x
  2. Step 2: Convert to fraction form
    13,825.84/20,738.75 = 3,437.59/x
  3. Step 3: Cross multiply
    13,825.84x = 20,738.75 × 3,437.59
  4. Step 4: Simplify right side
    13,825.84x = 71,291,319.61
  5. Step 5: Solve for x
    x = 71,291,319.61/13,825.84
  6. Step 6: Final answer
    x = 5,156.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.