Home / 19,195.78-28,739.89-14,501.02

Finding the Fourth Proportional to 19,195.78, 28,739.89 and 14,501.02

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Solution

The fourth proportional to 19,195.78, 28,739.89 and 14,501.02 is: 21,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,195.78 : 28,739.89 = 14,501.02 : x
  2. Step 2: Convert to fraction form
    19,195.78/28,739.89 = 14,501.02/x
  3. Step 3: Cross multiply
    19,195.78x = 28,739.89 × 14,501.02
  4. Step 4: Simplify right side
    19,195.78x = 416,757,719.69
  5. Step 5: Solve for x
    x = 416,757,719.69/19,195.78
  6. Step 6: Final answer
    x = 21,710.90

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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.