Home / 20,004.88-27,601.12-11,506.56

Finding the Fourth Proportional to 20,004.88, 27,601.12 and 11,506.56

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Solution

The fourth proportional to 20,004.88, 27,601.12 and 11,506.56 is: 15,875.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.88 : 27,601.12 = 11,506.56 : x
  2. Step 2: Convert to fraction form
    20,004.88/27,601.12 = 11,506.56/x
  3. Step 3: Cross multiply
    20,004.88x = 27,601.12 × 11,506.56
  4. Step 4: Simplify right side
    20,004.88x = 317,593,943.35
  5. Step 5: Solve for x
    x = 317,593,943.35/20,004.88
  6. Step 6: Final answer
    x = 15,875.82

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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.