Home / 28,114.94-38,798.66-16,178.04

Finding the Fourth Proportional to 28,114.94, 38,798.66 and 16,178.04

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Solution

The fourth proportional to 28,114.94, 38,798.66 and 16,178.04 is: 22,325.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,114.94 : 38,798.66 = 16,178.04 : x
  2. Step 2: Convert to fraction form
    28,114.94/38,798.66 = 16,178.04/x
  3. Step 3: Cross multiply
    28,114.94x = 38,798.66 × 16,178.04
  4. Step 4: Simplify right side
    28,114.94x = 627,686,273.43
  5. Step 5: Solve for x
    x = 627,686,273.43/28,114.94
  6. Step 6: Final answer
    x = 22,325.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.