Home / 19,119.60-28,658.64-8,032.32

Finding the Fourth Proportional to 19,119.60, 28,658.64 and 8,032.32

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Solution

The fourth proportional to 19,119.60, 28,658.64 and 8,032.32 is: 12,039.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.60 : 28,658.64 = 8,032.32 : x
  2. Step 2: Convert to fraction form
    19,119.60/28,658.64 = 8,032.32/x
  3. Step 3: Cross multiply
    19,119.60x = 28,658.64 × 8,032.32
  4. Step 4: Simplify right side
    19,119.60x = 230,195,367.24
  5. Step 5: Solve for x
    x = 230,195,367.24/19,119.60
  6. Step 6: Final answer
    x = 12,039.76

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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.