Home / 19,200.20-28,798.40-6,717.92

Finding the Fourth Proportional to 19,200.20, 28,798.40 and 6,717.92

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Solution

The fourth proportional to 19,200.20, 28,798.40 and 6,717.92 is: 10,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,200.20 : 28,798.40 = 6,717.92 : x
  2. Step 2: Convert to fraction form
    19,200.20/28,798.40 = 6,717.92/x
  3. Step 3: Cross multiply
    19,200.20x = 28,798.40 × 6,717.92
  4. Step 4: Simplify right side
    19,200.20x = 193,465,347.33
  5. Step 5: Solve for x
    x = 193,465,347.33/19,200.20
  6. Step 6: Final answer
    x = 10,076.22

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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.