Home / 17,172.40-25,765.80-12,827.56

Finding the Fourth Proportional to 17,172.40, 25,765.80 and 12,827.56

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Solution

The fourth proportional to 17,172.40, 25,765.80 and 12,827.56 is: 19,246.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172.40 : 25,765.80 = 12,827.56 : x
  2. Step 2: Convert to fraction form
    17,172.40/25,765.80 = 12,827.56/x
  3. Step 3: Cross multiply
    17,172.40x = 25,765.80 × 12,827.56
  4. Step 4: Simplify right side
    17,172.40x = 330,512,345.45
  5. Step 5: Solve for x
    x = 330,512,345.45/17,172.40
  6. Step 6: Final answer
    x = 19,246.72

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1.5x scale

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.