Home / 28,235.42-42,346.01-11,600.04

Finding the Fourth Proportional to 28,235.42, 42,346.01 and 11,600.04

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Solution

The fourth proportional to 28,235.42, 42,346.01 and 11,600.04 is: 17,397.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,235.42 : 42,346.01 = 11,600.04 : x
  2. Step 2: Convert to fraction form
    28,235.42/42,346.01 = 11,600.04/x
  3. Step 3: Cross multiply
    28,235.42x = 42,346.01 × 11,600.04
  4. Step 4: Simplify right side
    28,235.42x = 491,215,351.84
  5. Step 5: Solve for x
    x = 491,215,351.84/28,235.42
  6. Step 6: Final answer
    x = 17,397.14

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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.