Home / 13,825.51-20,738.40-3,437.26

Finding the Fourth Proportional to 13,825.51, 20,738.40 and 3,437.26

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Solution

The fourth proportional to 13,825.51, 20,738.40 and 3,437.26 is: 5,155.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825.51 : 20,738.40 = 3,437.26 : x
  2. Step 2: Convert to fraction form
    13,825.51/20,738.40 = 3,437.26/x
  3. Step 3: Cross multiply
    13,825.51x = 20,738.40 × 3,437.26
  4. Step 4: Simplify right side
    13,825.51x = 71,283,272.78
  5. Step 5: Solve for x
    x = 71,283,272.78/13,825.51
  6. Step 6: Final answer
    x = 5,155.92

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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.