Home / 21,859.20-32,785.28-6,273.28

Finding the Fourth Proportional to 21,859.20, 32,785.28 and 6,273.28

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Solution

The fourth proportional to 21,859.20, 32,785.28 and 6,273.28 is: 9,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,859.20 : 32,785.28 = 6,273.28 : x
  2. Step 2: Convert to fraction form
    21,859.20/32,785.28 = 6,273.28/x
  3. Step 3: Cross multiply
    21,859.20x = 32,785.28 × 6,273.28
  4. Step 4: Simplify right side
    21,859.20x = 205,671,241.32
  5. Step 5: Solve for x
    x = 205,671,241.32/21,859.20
  6. Step 6: Final answer
    x = 9,408.91

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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.