Home / 17,427.47-26,141.29-4,279.84

Finding the Fourth Proportional to 17,427.47, 26,141.29 and 4,279.84

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Solution

The fourth proportional to 17,427.47, 26,141.29 and 4,279.84 is: 6,419.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,427.47 : 26,141.29 = 4,279.84 : x
  2. Step 2: Convert to fraction form
    17,427.47/26,141.29 = 4,279.84/x
  3. Step 3: Cross multiply
    17,427.47x = 26,141.29 × 4,279.84
  4. Step 4: Simplify right side
    17,427.47x = 111,880,517.19
  5. Step 5: Solve for x
    x = 111,880,517.19/17,427.47
  6. Step 6: Final answer
    x = 6,419.78

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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.