Home / 20,289.60-27,892.14-17,446.56

Finding the Fourth Proportional to 20,289.60, 27,892.14 and 17,446.56

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Solution

The fourth proportional to 20,289.60, 27,892.14 and 17,446.56 is: 23,983.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,289.60 : 27,892.14 = 17,446.56 : x
  2. Step 2: Convert to fraction form
    20,289.60/27,892.14 = 17,446.56/x
  3. Step 3: Cross multiply
    20,289.60x = 27,892.14 × 17,446.56
  4. Step 4: Simplify right side
    20,289.60x = 486,621,894.04
  5. Step 5: Solve for x
    x = 486,621,894.04/20,289.60
  6. Step 6: Final answer
    x = 23,983.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.