Home / 27,929.92-38,539.28-16,438.00

Finding the Fourth Proportional to 27,929.92, 38,539.28 and 16,438.00

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Solution

The fourth proportional to 27,929.92, 38,539.28 and 16,438.00 is: 22,682.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,929.92 : 38,539.28 = 16,438.00 : x
  2. Step 2: Convert to fraction form
    27,929.92/38,539.28 = 16,438.00/x
  3. Step 3: Cross multiply
    27,929.92x = 38,539.28 × 16,438.00
  4. Step 4: Simplify right side
    27,929.92x = 633,508,458.80
  5. Step 5: Solve for x
    x = 633,508,458.80/27,929.92
  6. Step 6: Final answer
    x = 22,682.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.