Home / 21,826.17-32,739.03-9,335.61

Finding the Fourth Proportional to 21,826.17, 32,739.03 and 9,335.61

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Solution

The fourth proportional to 21,826.17, 32,739.03 and 9,335.61 is: 14,003.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,826.17 : 32,739.03 = 9,335.61 : x
  2. Step 2: Convert to fraction form
    21,826.17/32,739.03 = 9,335.61/x
  3. Step 3: Cross multiply
    21,826.17x = 32,739.03 × 9,335.61
  4. Step 4: Simplify right side
    21,826.17x = 305,638,815.86
  5. Step 5: Solve for x
    x = 305,638,815.86/21,826.17
  6. Step 6: Final answer
    x = 14,003.32

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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.