Home / 19,092.24-28,640.20-7,087.60

Finding the Fourth Proportional to 19,092.24, 28,640.20 and 7,087.60

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Solution

The fourth proportional to 19,092.24, 28,640.20 and 7,087.60 is: 10,632.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,092.24 : 28,640.20 = 7,087.60 : x
  2. Step 2: Convert to fraction form
    19,092.24/28,640.20 = 7,087.60/x
  3. Step 3: Cross multiply
    19,092.24x = 28,640.20 × 7,087.60
  4. Step 4: Simplify right side
    19,092.24x = 202,990,281.52
  5. Step 5: Solve for x
    x = 202,990,281.52/19,092.24
  6. Step 6: Final answer
    x = 10,632.08

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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.