Home / 19,048.20-28,564.40-7,199.94

Finding the Fourth Proportional to 19,048.20, 28,564.40 and 7,199.94

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Solution

The fourth proportional to 19,048.20, 28,564.40 and 7,199.94 is: 10,796.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,048.20 : 28,564.40 = 7,199.94 : x
  2. Step 2: Convert to fraction form
    19,048.20/28,564.40 = 7,199.94/x
  3. Step 3: Cross multiply
    19,048.20x = 28,564.40 × 7,199.94
  4. Step 4: Simplify right side
    19,048.20x = 205,661,966.14
  5. Step 5: Solve for x
    x = 205,661,966.14/19,048.20
  6. Step 6: Final answer
    x = 10,796.92

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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.