Home / 21,052.76-29,052.46-11,621.08

Finding the Fourth Proportional to 21,052.76, 29,052.46 and 11,621.08

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Solution

The fourth proportional to 21,052.76, 29,052.46 and 11,621.08 is: 16,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,052.76 : 29,052.46 = 11,621.08 : x
  2. Step 2: Convert to fraction form
    21,052.76/29,052.46 = 11,621.08/x
  3. Step 3: Cross multiply
    21,052.76x = 29,052.46 × 11,621.08
  4. Step 4: Simplify right side
    21,052.76x = 337,620,961.86
  5. Step 5: Solve for x
    x = 337,620,961.86/21,052.76
  6. Step 6: Final answer
    x = 16,036.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.