Home / 27,712.27-38,245.74-16,385.43

Finding the Fourth Proportional to 27,712.27, 38,245.74 and 16,385.43

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Solution

The fourth proportional to 27,712.27, 38,245.74 and 16,385.43 is: 22,613.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,712.27 : 38,245.74 = 16,385.43 : x
  2. Step 2: Convert to fraction form
    27,712.27/38,245.74 = 16,385.43/x
  3. Step 3: Cross multiply
    27,712.27x = 38,245.74 × 16,385.43
  4. Step 4: Simplify right side
    27,712.27x = 626,672,895.57
  5. Step 5: Solve for x
    x = 626,672,895.57/27,712.27
  6. Step 6: Final answer
    x = 22,613.56

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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.