Home / 17,852.40-26,778.88-6,764.28

Finding the Fourth Proportional to 17,852.40, 26,778.88 and 6,764.28

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Solution

The fourth proportional to 17,852.40, 26,778.88 and 6,764.28 is: 10,146.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,852.40 : 26,778.88 = 6,764.28 : x
  2. Step 2: Convert to fraction form
    17,852.40/26,778.88 = 6,764.28/x
  3. Step 3: Cross multiply
    17,852.40x = 26,778.88 × 6,764.28
  4. Step 4: Simplify right side
    17,852.40x = 181,139,842.41
  5. Step 5: Solve for x
    x = 181,139,842.41/17,852.40
  6. Step 6: Final answer
    x = 10,146.53

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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.