Home / 20,346.24-28,083.24-19,107.12

Finding the Fourth Proportional to 20,346.24, 28,083.24 and 19,107.12

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Solution

The fourth proportional to 20,346.24, 28,083.24 and 19,107.12 is: 26,372.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346.24 : 28,083.24 = 19,107.12 : x
  2. Step 2: Convert to fraction form
    20,346.24/28,083.24 = 19,107.12/x
  3. Step 3: Cross multiply
    20,346.24x = 28,083.24 × 19,107.12
  4. Step 4: Simplify right side
    20,346.24x = 536,589,836.67
  5. Step 5: Solve for x
    x = 536,589,836.67/20,346.24
  6. Step 6: Final answer
    x = 26,372.92

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1.5x scale

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.