Home / 34,764.28-52,148.86-13,987.88

Finding the Fourth Proportional to 34,764.28, 52,148.86 and 13,987.88

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Solution

The fourth proportional to 34,764.28, 52,148.86 and 13,987.88 is: 20,982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,764.28 : 52,148.86 = 13,987.88 : x
  2. Step 2: Convert to fraction form
    34,764.28/52,148.86 = 13,987.88/x
  3. Step 3: Cross multiply
    34,764.28x = 52,148.86 × 13,987.88
  4. Step 4: Simplify right side
    34,764.28x = 729,451,995.82
  5. Step 5: Solve for x
    x = 729,451,995.82/34,764.28
  6. Step 6: Final answer
    x = 20,982.80

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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.