Home / 21,404.28-32,098.43-7,360.33

Finding the Fourth Proportional to 21,404.28, 32,098.43 and 7,360.33

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Solution

The fourth proportional to 21,404.28, 32,098.43 and 7,360.33 is: 11,037.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,404.28 : 32,098.43 = 7,360.33 : x
  2. Step 2: Convert to fraction form
    21,404.28/32,098.43 = 7,360.33/x
  3. Step 3: Cross multiply
    21,404.28x = 32,098.43 × 7,360.33
  4. Step 4: Simplify right side
    21,404.28x = 236,255,037.28
  5. Step 5: Solve for x
    x = 236,255,037.28/21,404.28
  6. Step 6: Final answer
    x = 11,037.75

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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.