Home / 21,539.19-32,308.80-6,749.27

Finding the Fourth Proportional to 21,539.19, 32,308.80 and 6,749.27

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Solution

The fourth proportional to 21,539.19, 32,308.80 and 6,749.27 is: 10,123.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,539.19 : 32,308.80 = 6,749.27 : x
  2. Step 2: Convert to fraction form
    21,539.19/32,308.80 = 6,749.27/x
  3. Step 3: Cross multiply
    21,539.19x = 32,308.80 × 6,749.27
  4. Step 4: Simplify right side
    21,539.19x = 218,060,786.84
  5. Step 5: Solve for x
    x = 218,060,786.84/21,539.19
  6. Step 6: Final answer
    x = 10,123.91

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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.