Home / 28,102.83-42,156.66-11,464.02

Finding the Fourth Proportional to 28,102.83, 42,156.66 and 11,464.02

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Solution

The fourth proportional to 28,102.83, 42,156.66 and 11,464.02 is: 17,197.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,102.83 : 42,156.66 = 11,464.02 : x
  2. Step 2: Convert to fraction form
    28,102.83/42,156.66 = 11,464.02/x
  3. Step 3: Cross multiply
    28,102.83x = 42,156.66 × 11,464.02
  4. Step 4: Simplify right side
    28,102.83x = 483,284,793.37
  5. Step 5: Solve for x
    x = 483,284,793.37/28,102.83
  6. Step 6: Final answer
    x = 17,197.02

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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.