Home / 19,748.22-27,234.90-16,385.72

Finding the Fourth Proportional to 19,748.22, 27,234.90 and 16,385.72

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Solution

The fourth proportional to 19,748.22, 27,234.90 and 16,385.72 is: 22,597.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,748.22 : 27,234.90 = 16,385.72 : x
  2. Step 2: Convert to fraction form
    19,748.22/27,234.90 = 16,385.72/x
  3. Step 3: Cross multiply
    19,748.22x = 27,234.90 × 16,385.72
  4. Step 4: Simplify right side
    19,748.22x = 446,263,309.45
  5. Step 5: Solve for x
    x = 446,263,309.45/19,748.22
  6. Step 6: Final answer
    x = 22,597.65

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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.