Home / 19,372.62-26,742.33-16,403.82

Finding the Fourth Proportional to 19,372.62, 26,742.33 and 16,403.82

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Solution

The fourth proportional to 19,372.62, 26,742.33 and 16,403.82 is: 22,644.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.62 : 26,742.33 = 16,403.82 : x
  2. Step 2: Convert to fraction form
    19,372.62/26,742.33 = 16,403.82/x
  3. Step 3: Cross multiply
    19,372.62x = 26,742.33 × 16,403.82
  4. Step 4: Simplify right side
    19,372.62x = 438,676,367.70
  5. Step 5: Solve for x
    x = 438,676,367.70/19,372.62
  6. Step 6: Final answer
    x = 22,644.14

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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.