Home / 28,566.60-42,855.10-9,849.32

Finding the Fourth Proportional to 28,566.60, 42,855.10 and 9,849.32

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Solution

The fourth proportional to 28,566.60, 42,855.10 and 9,849.32 is: 14,775.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,566.60 : 42,855.10 = 9,849.32 : x
  2. Step 2: Convert to fraction form
    28,566.60/42,855.10 = 9,849.32/x
  3. Step 3: Cross multiply
    28,566.60x = 42,855.10 × 9,849.32
  4. Step 4: Simplify right side
    28,566.60x = 422,093,593.53
  5. Step 5: Solve for x
    x = 422,093,593.53/28,566.60
  6. Step 6: Final answer
    x = 14,775.77

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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.