Home / 27,816.80-38,387.23-16,491.85

Finding the Fourth Proportional to 27,816.80, 38,387.23 and 16,491.85

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Solution

The fourth proportional to 27,816.80, 38,387.23 and 16,491.85 is: 22,758.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,816.80 : 38,387.23 = 16,491.85 : x
  2. Step 2: Convert to fraction form
    27,816.80/38,387.23 = 16,491.85/x
  3. Step 3: Cross multiply
    27,816.80x = 38,387.23 × 16,491.85
  4. Step 4: Simplify right side
    27,816.80x = 633,076,301.88
  5. Step 5: Solve for x
    x = 633,076,301.88/27,816.80
  6. Step 6: Final answer
    x = 22,758.77

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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.