Home / 66,578.28-99,867.69-16,658.24

Finding the Fourth Proportional to 66,578.28, 99,867.69 and 16,658.24

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Solution

The fourth proportional to 66,578.28, 99,867.69 and 16,658.24 is: 24,987.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,578.28 : 99,867.69 = 16,658.24 : x
  2. Step 2: Convert to fraction form
    66,578.28/99,867.69 = 16,658.24/x
  3. Step 3: Cross multiply
    66,578.28x = 99,867.69 × 16,658.24
  4. Step 4: Simplify right side
    66,578.28x = 1,663,620,197.97
  5. Step 5: Solve for x
    x = 1,663,620,197.97/66,578.28
  6. Step 6: Final answer
    x = 24,987.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.