Home / 21,027.77-31,541.49-6,235.45

Finding the Fourth Proportional to 21,027.77, 31,541.49 and 6,235.45

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Solution

The fourth proportional to 21,027.77, 31,541.49 and 6,235.45 is: 9,353.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,027.77 : 31,541.49 = 6,235.45 : x
  2. Step 2: Convert to fraction form
    21,027.77/31,541.49 = 6,235.45/x
  3. Step 3: Cross multiply
    21,027.77x = 31,541.49 × 6,235.45
  4. Step 4: Simplify right side
    21,027.77x = 196,675,304.97
  5. Step 5: Solve for x
    x = 196,675,304.97/21,027.77
  6. Step 6: Final answer
    x = 9,353.12

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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.