Home / 21,025.24-31,494.76-16,842.60

Finding the Fourth Proportional to 21,025.24, 31,494.76 and 16,842.60

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Solution

The fourth proportional to 21,025.24, 31,494.76 and 16,842.60 is: 25,229.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,025.24 : 31,494.76 = 16,842.60 : x
  2. Step 2: Convert to fraction form
    21,025.24/31,494.76 = 16,842.60/x
  3. Step 3: Cross multiply
    21,025.24x = 31,494.76 × 16,842.60
  4. Step 4: Simplify right side
    21,025.24x = 530,453,644.78
  5. Step 5: Solve for x
    x = 530,453,644.78/21,025.24
  6. Step 6: Final answer
    x = 25,229.37

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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.