Home / 19,028.16-28,542.24-5,177.16

Finding the Fourth Proportional to 19,028.16, 28,542.24 and 5,177.16

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Solution

The fourth proportional to 19,028.16, 28,542.24 and 5,177.16 is: 7,765.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,028.16 : 28,542.24 = 5,177.16 : x
  2. Step 2: Convert to fraction form
    19,028.16/28,542.24 = 5,177.16/x
  3. Step 3: Cross multiply
    19,028.16x = 28,542.24 × 5,177.16
  4. Step 4: Simplify right side
    19,028.16x = 147,767,743.24
  5. Step 5: Solve for x
    x = 147,767,743.24/19,028.16
  6. Step 6: Final answer
    x = 7,765.74

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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.