Home / 34,254.76-51,381.36-15,786.76

Finding the Fourth Proportional to 34,254.76, 51,381.36 and 15,786.76

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Solution

The fourth proportional to 34,254.76, 51,381.36 and 15,786.76 is: 23,679.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,254.76 : 51,381.36 = 15,786.76 : x
  2. Step 2: Convert to fraction form
    34,254.76/51,381.36 = 15,786.76/x
  3. Step 3: Cross multiply
    34,254.76x = 51,381.36 × 15,786.76
  4. Step 4: Simplify right side
    34,254.76x = 811,145,198.79
  5. Step 5: Solve for x
    x = 811,145,198.79/34,254.76
  6. Step 6: Final answer
    x = 23,679.78

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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.