Home / 27,119.84-40,757.52-13,278.56

Finding the Fourth Proportional to 27,119.84, 40,757.52 and 13,278.56

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Solution

The fourth proportional to 27,119.84, 40,757.52 and 13,278.56 is: 19,955.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,119.84 : 40,757.52 = 13,278.56 : x
  2. Step 2: Convert to fraction form
    27,119.84/40,757.52 = 13,278.56/x
  3. Step 3: Cross multiply
    27,119.84x = 40,757.52 × 13,278.56
  4. Step 4: Simplify right side
    27,119.84x = 541,201,174.77
  5. Step 5: Solve for x
    x = 541,201,174.77/27,119.84
  6. Step 6: Final answer
    x = 19,955.91

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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.