Home / 21,260.64-29,350.32-16,469.88

Finding the Fourth Proportional to 21,260.64, 29,350.32 and 16,469.88

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Solution

The fourth proportional to 21,260.64, 29,350.32 and 16,469.88 is: 22,736.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,260.64 : 29,350.32 = 16,469.88 : x
  2. Step 2: Convert to fraction form
    21,260.64/29,350.32 = 16,469.88/x
  3. Step 3: Cross multiply
    21,260.64x = 29,350.32 × 16,469.88
  4. Step 4: Simplify right side
    21,260.64x = 483,396,248.36
  5. Step 5: Solve for x
    x = 483,396,248.36/21,260.64
  6. Step 6: Final answer
    x = 22,736.67

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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.