Home / 19,874.44-27,437.39-15,327.18

Finding the Fourth Proportional to 19,874.44, 27,437.39 and 15,327.18

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Solution

The fourth proportional to 19,874.44, 27,437.39 and 15,327.18 is: 21,159.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,874.44 : 27,437.39 = 15,327.18 : x
  2. Step 2: Convert to fraction form
    19,874.44/27,437.39 = 15,327.18/x
  3. Step 3: Cross multiply
    19,874.44x = 27,437.39 × 15,327.18
  4. Step 4: Simplify right side
    19,874.44x = 420,537,815.26
  5. Step 5: Solve for x
    x = 420,537,815.26/19,874.44
  6. Step 6: Final answer
    x = 21,159.73

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1.5x scale

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.