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Finding the Fourth Proportional to 28,034, 42,051 and 11,403.08

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Solution

The fourth proportional to 28,034, 42,051 and 11,403.08 is: 17,104.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,034 : 42,051 = 11,403.08 : x
  2. Step 2: Convert to fraction form
    28,034/42,051 = 11,403.08/x
  3. Step 3: Cross multiply
    28,034x = 42,051 × 11,403.08
  4. Step 4: Simplify right side
    28,034x = 479,510,917.08
  5. Step 5: Solve for x
    x = 479,510,917.08/28,034
  6. Step 6: Final answer
    x = 17,104.62

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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.