Home / 19,066.60-28,595.49-7,221.75

Finding the Fourth Proportional to 19,066.60, 28,595.49 and 7,221.75

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Solution

The fourth proportional to 19,066.60, 28,595.49 and 7,221.75 is: 10,830.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,066.60 : 28,595.49 = 7,221.75 : x
  2. Step 2: Convert to fraction form
    19,066.60/28,595.49 = 7,221.75/x
  3. Step 3: Cross multiply
    19,066.60x = 28,595.49 × 7,221.75
  4. Step 4: Simplify right side
    19,066.60x = 206,509,479.91
  5. Step 5: Solve for x
    x = 206,509,479.91/19,066.60
  6. Step 6: Final answer
    x = 10,830.95

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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.