Home / 21,399.57-32,101.52-7,360.74

Finding the Fourth Proportional to 21,399.57, 32,101.52 and 7,360.74

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Solution

The fourth proportional to 21,399.57, 32,101.52 and 7,360.74 is: 11,041.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,399.57 : 32,101.52 = 7,360.74 : x
  2. Step 2: Convert to fraction form
    21,399.57/32,101.52 = 7,360.74/x
  3. Step 3: Cross multiply
    21,399.57x = 32,101.52 × 7,360.74
  4. Step 4: Simplify right side
    21,399.57x = 236,290,770.09
  5. Step 5: Solve for x
    x = 236,290,770.09/21,399.57
  6. Step 6: Final answer
    x = 11,041.85

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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.