Home / 21,260.21-29,349.81-16,469.46

Finding the Fourth Proportional to 21,260.21, 29,349.81 and 16,469.46

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Solution

The fourth proportional to 21,260.21, 29,349.81 and 16,469.46 is: 22,736.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,260.21 : 29,349.81 = 16,469.46 : x
  2. Step 2: Convert to fraction form
    21,260.21/29,349.81 = 16,469.46/x
  3. Step 3: Cross multiply
    21,260.21x = 29,349.81 × 16,469.46
  4. Step 4: Simplify right side
    21,260.21x = 483,375,521.80
  5. Step 5: Solve for x
    x = 483,375,521.80/21,260.21
  6. Step 6: Final answer
    x = 22,736.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.