Home / 27,994.62-38,632.68-15,419.34

Finding the Fourth Proportional to 27,994.62, 38,632.68 and 15,419.34

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Solution

The fourth proportional to 27,994.62, 38,632.68 and 15,419.34 is: 21,278.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,994.62 : 38,632.68 = 15,419.34 : x
  2. Step 2: Convert to fraction form
    27,994.62/38,632.68 = 15,419.34/x
  3. Step 3: Cross multiply
    27,994.62x = 38,632.68 × 15,419.34
  4. Step 4: Simplify right side
    27,994.62x = 595,690,428.03
  5. Step 5: Solve for x
    x = 595,690,428.03/27,994.62
  6. Step 6: Final answer
    x = 21,278.75

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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.