Home / 27,994.46-38,632.36-15,419.22

Finding the Fourth Proportional to 27,994.46, 38,632.36 and 15,419.22

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Solution

The fourth proportional to 27,994.46, 38,632.36 and 15,419.22 is: 21,278.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,994.46 : 38,632.36 = 15,419.22 : x
  2. Step 2: Convert to fraction form
    27,994.46/38,632.36 = 15,419.22/x
  3. Step 3: Cross multiply
    27,994.46x = 38,632.36 × 15,419.22
  4. Step 4: Simplify right side
    27,994.46x = 595,680,857.96
  5. Step 5: Solve for x
    x = 595,680,857.96/27,994.46
  6. Step 6: Final answer
    x = 21,278.53

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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.