Home / 17,077.32-25,619.90-5,390.20

Finding the Fourth Proportional to 17,077.32, 25,619.90 and 5,390.20

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Solution

The fourth proportional to 17,077.32, 25,619.90 and 5,390.20 is: 8,086.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,077.32 : 25,619.90 = 5,390.20 : x
  2. Step 2: Convert to fraction form
    17,077.32/25,619.90 = 5,390.20/x
  3. Step 3: Cross multiply
    17,077.32x = 25,619.90 × 5,390.20
  4. Step 4: Simplify right side
    17,077.32x = 138,096,384.98
  5. Step 5: Solve for x
    x = 138,096,384.98/17,077.32
  6. Step 6: Final answer
    x = 8,086.54

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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.