Home / 27,821.78-38,394.27-16,497

Finding the Fourth Proportional to 27,821.78, 38,394.27 and 16,497

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Solution

The fourth proportional to 27,821.78, 38,394.27 and 16,497 is: 22,765.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,821.78 : 38,394.27 = 16,497 : x
  2. Step 2: Convert to fraction form
    27,821.78/38,394.27 = 16,497/x
  3. Step 3: Cross multiply
    27,821.78x = 38,394.27 × 16,497
  4. Step 4: Simplify right side
    27,821.78x = 633,390,272.19
  5. Step 5: Solve for x
    x = 633,390,272.19/27,821.78
  6. Step 6: Final answer
    x = 22,765.99

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1.5x scale

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.