Home / 20,251.20-27,945.76-14,944.08

Finding the Fourth Proportional to 20,251.20, 27,945.76 and 14,944.08

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Solution

The fourth proportional to 20,251.20, 27,945.76 and 14,944.08 is: 20,622.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251.20 : 27,945.76 = 14,944.08 : x
  2. Step 2: Convert to fraction form
    20,251.20/27,945.76 = 14,944.08/x
  3. Step 3: Cross multiply
    20,251.20x = 27,945.76 × 14,944.08
  4. Step 4: Simplify right side
    20,251.20x = 417,623,673.10
  5. Step 5: Solve for x
    x = 417,623,673.10/20,251.20
  6. Step 6: Final answer
    x = 20,622.17

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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.