Home / 20,022.81-27,632.39-11,637.69

Finding the Fourth Proportional to 20,022.81, 27,632.39 and 11,637.69

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Solution

The fourth proportional to 20,022.81, 27,632.39 and 11,637.69 is: 16,060.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.81 : 27,632.39 = 11,637.69 : x
  2. Step 2: Convert to fraction form
    20,022.81/27,632.39 = 11,637.69/x
  3. Step 3: Cross multiply
    20,022.81x = 27,632.39 × 11,637.69
  4. Step 4: Simplify right side
    20,022.81x = 321,577,130.59
  5. Step 5: Solve for x
    x = 321,577,130.59/20,022.81
  6. Step 6: Final answer
    x = 16,060.54

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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.