Home / 19,221.70-28,832.55-14,556.10

Finding the Fourth Proportional to 19,221.70, 28,832.55 and 14,556.10

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Solution

The fourth proportional to 19,221.70, 28,832.55 and 14,556.10 is: 21,834.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221.70 : 28,832.55 = 14,556.10 : x
  2. Step 2: Convert to fraction form
    19,221.70/28,832.55 = 14,556.10/x
  3. Step 3: Cross multiply
    19,221.70x = 28,832.55 × 14,556.10
  4. Step 4: Simplify right side
    19,221.70x = 419,689,481.06
  5. Step 5: Solve for x
    x = 419,689,481.06/19,221.70
  6. Step 6: Final answer
    x = 21,834.15

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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.