Home / 20,022.71-27,633.41-11,525.15

Finding the Fourth Proportional to 20,022.71, 27,633.41 and 11,525.15

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Solution

The fourth proportional to 20,022.71, 27,633.41 and 11,525.15 is: 15,905.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.71 : 27,633.41 = 11,525.15 : x
  2. Step 2: Convert to fraction form
    20,022.71/27,633.41 = 11,525.15/x
  3. Step 3: Cross multiply
    20,022.71x = 27,633.41 × 11,525.15
  4. Step 4: Simplify right side
    20,022.71x = 318,478,999.47
  5. Step 5: Solve for x
    x = 318,478,999.47/20,022.71
  6. Step 6: Final answer
    x = 15,905.89

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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.