Home / 21,101.04-31,635.87-7,052.77

Finding the Fourth Proportional to 21,101.04, 31,635.87 and 7,052.77

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Solution

The fourth proportional to 21,101.04, 31,635.87 and 7,052.77 is: 10,573.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,101.04 : 31,635.87 = 7,052.77 : x
  2. Step 2: Convert to fraction form
    21,101.04/31,635.87 = 7,052.77/x
  3. Step 3: Cross multiply
    21,101.04x = 31,635.87 × 7,052.77
  4. Step 4: Simplify right side
    21,101.04x = 223,120,527.96
  5. Step 5: Solve for x
    x = 223,120,527.96/21,101.04
  6. Step 6: Final answer
    x = 10,573.91

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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.