Home / 34,943.28-52,401.96-18,929.64

Finding the Fourth Proportional to 34,943.28, 52,401.96 and 18,929.64

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Solution

The fourth proportional to 34,943.28, 52,401.96 and 18,929.64 is: 28,387.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,943.28 : 52,401.96 = 18,929.64 : x
  2. Step 2: Convert to fraction form
    34,943.28/52,401.96 = 18,929.64/x
  3. Step 3: Cross multiply
    34,943.28x = 52,401.96 × 18,929.64
  4. Step 4: Simplify right side
    34,943.28x = 991,950,238.09
  5. Step 5: Solve for x
    x = 991,950,238.09/34,943.28
  6. Step 6: Final answer
    x = 28,387.44

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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.