Home / 19,257.20-28,884.48-5,406.20

Finding the Fourth Proportional to 19,257.20, 28,884.48 and 5,406.20

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Solution

The fourth proportional to 19,257.20, 28,884.48 and 5,406.20 is: 8,108.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,257.20 : 28,884.48 = 5,406.20 : x
  2. Step 2: Convert to fraction form
    19,257.20/28,884.48 = 5,406.20/x
  3. Step 3: Cross multiply
    19,257.20x = 28,884.48 × 5,406.20
  4. Step 4: Simplify right side
    19,257.20x = 156,155,275.78
  5. Step 5: Solve for x
    x = 156,155,275.78/19,257.20
  6. Step 6: Final answer
    x = 8,108.93

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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.