Home / 19,909.85-29,843.81-10,028.36

Finding the Fourth Proportional to 19,909.85, 29,843.81 and 10,028.36

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Solution

The fourth proportional to 19,909.85, 29,843.81 and 10,028.36 is: 15,031.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.85 : 29,843.81 = 10,028.36 : x
  2. Step 2: Convert to fraction form
    19,909.85/29,843.81 = 10,028.36/x
  3. Step 3: Cross multiply
    19,909.85x = 29,843.81 × 10,028.36
  4. Step 4: Simplify right side
    19,909.85x = 299,284,420.31
  5. Step 5: Solve for x
    x = 299,284,420.31/19,909.85
  6. Step 6: Final answer
    x = 15,031.98

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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.