Home / 17,427.09-26,135.78-12,482.04

Finding the Fourth Proportional to 17,427.09, 26,135.78 and 12,482.04

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Solution

The fourth proportional to 17,427.09, 26,135.78 and 12,482.04 is: 18,719.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,427.09 : 26,135.78 = 12,482.04 : x
  2. Step 2: Convert to fraction form
    17,427.09/26,135.78 = 12,482.04/x
  3. Step 3: Cross multiply
    17,427.09x = 26,135.78 × 12,482.04
  4. Step 4: Simplify right side
    17,427.09x = 326,227,788.98
  5. Step 5: Solve for x
    x = 326,227,788.98/17,427.09
  6. Step 6: Final answer
    x = 18,719.58

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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.