Home / 17,971.42-26,924.28-13,028.80

Finding the Fourth Proportional to 17,971.42, 26,924.28 and 13,028.80

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Solution

The fourth proportional to 17,971.42, 26,924.28 and 13,028.80 is: 19,519.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,971.42 : 26,924.28 = 13,028.80 : x
  2. Step 2: Convert to fraction form
    17,971.42/26,924.28 = 13,028.80/x
  3. Step 3: Cross multiply
    17,971.42x = 26,924.28 × 13,028.80
  4. Step 4: Simplify right side
    17,971.42x = 350,791,059.26
  5. Step 5: Solve for x
    x = 350,791,059.26/17,971.42
  6. Step 6: Final answer
    x = 19,519.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.