Home / 19,672.62-29,342.87-16,515.78

Finding the Fourth Proportional to 19,672.62, 29,342.87 and 16,515.78

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Solution

The fourth proportional to 19,672.62, 29,342.87 and 16,515.78 is: 24,634.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,672.62 : 29,342.87 = 16,515.78 : x
  2. Step 2: Convert to fraction form
    19,672.62/29,342.87 = 16,515.78/x
  3. Step 3: Cross multiply
    19,672.62x = 29,342.87 × 16,515.78
  4. Step 4: Simplify right side
    19,672.62x = 484,620,302.91
  5. Step 5: Solve for x
    x = 484,620,302.91/19,672.62
  6. Step 6: Final answer
    x = 24,634.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.