Home / 21,439.22-32,162.48-7,395.44

Finding the Fourth Proportional to 21,439.22, 32,162.48 and 7,395.44

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Solution

The fourth proportional to 21,439.22, 32,162.48 and 7,395.44 is: 11,094.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,439.22 : 32,162.48 = 7,395.44 : x
  2. Step 2: Convert to fraction form
    21,439.22/32,162.48 = 7,395.44/x
  3. Step 3: Cross multiply
    21,439.22x = 32,162.48 × 7,395.44
  4. Step 4: Simplify right side
    21,439.22x = 237,855,691.09
  5. Step 5: Solve for x
    x = 237,855,691.09/21,439.22
  6. Step 6: Final answer
    x = 11,094.42

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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.