Home / 19,150.24-28,727-5,299.24

Finding the Fourth Proportional to 19,150.24, 28,727 and 5,299.24

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Solution

The fourth proportional to 19,150.24, 28,727 and 5,299.24 is: 7,949.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,150.24 : 28,727 = 5,299.24 : x
  2. Step 2: Convert to fraction form
    19,150.24/28,727 = 5,299.24/x
  3. Step 3: Cross multiply
    19,150.24x = 28,727 × 5,299.24
  4. Step 4: Simplify right side
    19,150.24x = 152,231,267.48
  5. Step 5: Solve for x
    x = 152,231,267.48/19,150.24
  6. Step 6: Final answer
    x = 7,949.31

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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.