Home / 28,395.99-42,595.20-9,675.27

Finding the Fourth Proportional to 28,395.99, 42,595.20 and 9,675.27

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Solution

The fourth proportional to 28,395.99, 42,595.20 and 9,675.27 is: 14,513.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,395.99 : 42,595.20 = 9,675.27 : x
  2. Step 2: Convert to fraction form
    28,395.99/42,595.20 = 9,675.27/x
  3. Step 3: Cross multiply
    28,395.99x = 42,595.20 × 9,675.27
  4. Step 4: Simplify right side
    28,395.99x = 412,120,060.70
  5. Step 5: Solve for x
    x = 412,120,060.70/28,395.99
  6. Step 6: Final answer
    x = 14,513.32

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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.