Home / 27,553.28-38,021.92-14,977.92

Finding the Fourth Proportional to 27,553.28, 38,021.92 and 14,977.92

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Solution

The fourth proportional to 27,553.28, 38,021.92 and 14,977.92 is: 20,668.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,553.28 : 38,021.92 = 14,977.92 : x
  2. Step 2: Convert to fraction form
    27,553.28/38,021.92 = 14,977.92/x
  3. Step 3: Cross multiply
    27,553.28x = 38,021.92 × 14,977.92
  4. Step 4: Simplify right side
    27,553.28x = 569,489,276.01
  5. Step 5: Solve for x
    x = 569,489,276.01/27,553.28
  6. Step 6: Final answer
    x = 20,668.66

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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.