Home / 28,264.26-42,374.52-16,399.79

Finding the Fourth Proportional to 28,264.26, 42,374.52 and 16,399.79

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Solution

The fourth proportional to 28,264.26, 42,374.52 and 16,399.79 is: 24,587.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,264.26 : 42,374.52 = 16,399.79 : x
  2. Step 2: Convert to fraction form
    28,264.26/42,374.52 = 16,399.79/x
  3. Step 3: Cross multiply
    28,264.26x = 42,374.52 × 16,399.79
  4. Step 4: Simplify right side
    28,264.26x = 694,933,229.35
  5. Step 5: Solve for x
    x = 694,933,229.35/28,264.26
  6. Step 6: Final answer
    x = 24,587.00

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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.