Home / 28,550.53-42,874.80-17,521.98

Finding the Fourth Proportional to 28,550.53, 42,874.80 and 17,521.98

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Solution

The fourth proportional to 28,550.53, 42,874.80 and 17,521.98 is: 26,313.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,550.53 : 42,874.80 = 17,521.98 : x
  2. Step 2: Convert to fraction form
    28,550.53/42,874.80 = 17,521.98/x
  3. Step 3: Cross multiply
    28,550.53x = 42,874.80 × 17,521.98
  4. Step 4: Simplify right side
    28,550.53x = 751,251,388.10
  5. Step 5: Solve for x
    x = 751,251,388.10/28,550.53
  6. Step 6: Final answer
    x = 26,313.05

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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.