Home / 27,172.88-37,490.16-15,234.56

Finding the Fourth Proportional to 27,172.88, 37,490.16 and 15,234.56

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Solution

The fourth proportional to 27,172.88, 37,490.16 and 15,234.56 is: 21,018.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,172.88 : 37,490.16 = 15,234.56 : x
  2. Step 2: Convert to fraction form
    27,172.88/37,490.16 = 15,234.56/x
  3. Step 3: Cross multiply
    27,172.88x = 37,490.16 × 15,234.56
  4. Step 4: Simplify right side
    27,172.88x = 571,146,091.93
  5. Step 5: Solve for x
    x = 571,146,091.93/27,172.88
  6. Step 6: Final answer
    x = 21,018.98

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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.