Home / 28,849.93-43,280.49-11,079.28

Finding the Fourth Proportional to 28,849.93, 43,280.49 and 11,079.28

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Solution

The fourth proportional to 28,849.93, 43,280.49 and 11,079.28 is: 16,621.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,849.93 : 43,280.49 = 11,079.28 : x
  2. Step 2: Convert to fraction form
    28,849.93/43,280.49 = 11,079.28/x
  3. Step 3: Cross multiply
    28,849.93x = 43,280.49 × 11,079.28
  4. Step 4: Simplify right side
    28,849.93x = 479,516,751.21
  5. Step 5: Solve for x
    x = 479,516,751.21/28,849.93
  6. Step 6: Final answer
    x = 16,621.07

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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.