Home / 27,619.68-38,134.80-17,012.64

Finding the Fourth Proportional to 27,619.68, 38,134.80 and 17,012.64

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Solution

The fourth proportional to 27,619.68, 38,134.80 and 17,012.64 is: 23,489.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,619.68 : 38,134.80 = 17,012.64 : x
  2. Step 2: Convert to fraction form
    27,619.68/38,134.80 = 17,012.64/x
  3. Step 3: Cross multiply
    27,619.68x = 38,134.80 × 17,012.64
  4. Step 4: Simplify right side
    27,619.68x = 648,773,623.87
  5. Step 5: Solve for x
    x = 648,773,623.87/27,619.68
  6. Step 6: Final answer
    x = 23,489.54

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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.