Home / 21,283.24-31,922.46-5,702.12

Finding the Fourth Proportional to 21,283.24, 31,922.46 and 5,702.12

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Solution

The fourth proportional to 21,283.24, 31,922.46 and 5,702.12 is: 8,552.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,283.24 : 31,922.46 = 5,702.12 : x
  2. Step 2: Convert to fraction form
    21,283.24/31,922.46 = 5,702.12/x
  3. Step 3: Cross multiply
    21,283.24x = 31,922.46 × 5,702.12
  4. Step 4: Simplify right side
    21,283.24x = 182,025,697.62
  5. Step 5: Solve for x
    x = 182,025,697.62/21,283.24
  6. Step 6: Final answer
    x = 8,552.54

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1.5x scale

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.