Home / 28,122.24-42,248.97-16,443.66

Finding the Fourth Proportional to 28,122.24, 42,248.97 and 16,443.66

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Solution

The fourth proportional to 28,122.24, 42,248.97 and 16,443.66 is: 24,703.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,122.24 : 42,248.97 = 16,443.66 : x
  2. Step 2: Convert to fraction form
    28,122.24/42,248.97 = 16,443.66/x
  3. Step 3: Cross multiply
    28,122.24x = 42,248.97 × 16,443.66
  4. Step 4: Simplify right side
    28,122.24x = 694,727,698.03
  5. Step 5: Solve for x
    x = 694,727,698.03/28,122.24
  6. Step 6: Final answer
    x = 24,703.85

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1.5x scale

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.