Home / 27,974.40-38,604.72-15,227.52

Finding the Fourth Proportional to 27,974.40, 38,604.72 and 15,227.52

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Solution

The fourth proportional to 27,974.40, 38,604.72 and 15,227.52 is: 21,014.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,974.40 : 38,604.72 = 15,227.52 : x
  2. Step 2: Convert to fraction form
    27,974.40/38,604.72 = 15,227.52/x
  3. Step 3: Cross multiply
    27,974.40x = 38,604.72 × 15,227.52
  4. Step 4: Simplify right side
    27,974.40x = 587,854,145.89
  5. Step 5: Solve for x
    x = 587,854,145.89/27,974.40
  6. Step 6: Final answer
    x = 21,014.00

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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.