Home / 21,223.56-31,827.81-6,226.52

Finding the Fourth Proportional to 21,223.56, 31,827.81 and 6,226.52

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Solution

The fourth proportional to 21,223.56, 31,827.81 and 6,226.52 is: 9,337.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,223.56 : 31,827.81 = 6,226.52 : x
  2. Step 2: Convert to fraction form
    21,223.56/31,827.81 = 6,226.52/x
  3. Step 3: Cross multiply
    21,223.56x = 31,827.81 × 6,226.52
  4. Step 4: Simplify right side
    21,223.56x = 198,176,336.38
  5. Step 5: Solve for x
    x = 198,176,336.38/21,223.56
  6. Step 6: Final answer
    x = 9,337.56

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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.