Home / 21,433.83-32,159.93-11,052.87

Finding the Fourth Proportional to 21,433.83, 32,159.93 and 11,052.87

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Solution

The fourth proportional to 21,433.83, 32,159.93 and 11,052.87 is: 16,584.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,433.83 : 32,159.93 = 11,052.87 : x
  2. Step 2: Convert to fraction form
    21,433.83/32,159.93 = 11,052.87/x
  3. Step 3: Cross multiply
    21,433.83x = 32,159.93 × 11,052.87
  4. Step 4: Simplify right side
    21,433.83x = 355,459,470.23
  5. Step 5: Solve for x
    x = 355,459,470.23/21,433.83
  6. Step 6: Final answer
    x = 16,584.04

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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.