Home / 28,006.86-38,647.94-17,396.30

Finding the Fourth Proportional to 28,006.86, 38,647.94 and 17,396.30

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Solution

The fourth proportional to 28,006.86, 38,647.94 and 17,396.30 is: 24,005.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006.86 : 38,647.94 = 17,396.30 : x
  2. Step 2: Convert to fraction form
    28,006.86/38,647.94 = 17,396.30/x
  3. Step 3: Cross multiply
    28,006.86x = 38,647.94 × 17,396.30
  4. Step 4: Simplify right side
    28,006.86x = 672,331,158.62
  5. Step 5: Solve for x
    x = 672,331,158.62/28,006.86
  6. Step 6: Final answer
    x = 24,005.95

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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.