Home / 19,027.28-28,540.72-7,332.30

Finding the Fourth Proportional to 19,027.28, 28,540.72 and 7,332.30

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Solution

The fourth proportional to 19,027.28, 28,540.72 and 7,332.30 is: 10,998.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,027.28 : 28,540.72 = 7,332.30 : x
  2. Step 2: Convert to fraction form
    19,027.28/28,540.72 = 7,332.30/x
  3. Step 3: Cross multiply
    19,027.28x = 28,540.72 × 7,332.30
  4. Step 4: Simplify right side
    19,027.28x = 209,269,121.26
  5. Step 5: Solve for x
    x = 209,269,121.26/19,027.28
  6. Step 6: Final answer
    x = 10,998.37

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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.