Home / 28,157.36-38,861.52-16,057.87

Finding the Fourth Proportional to 28,157.36, 38,861.52 and 16,057.87

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Solution

The fourth proportional to 28,157.36, 38,861.52 and 16,057.87 is: 22,162.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,157.36 : 38,861.52 = 16,057.87 : x
  2. Step 2: Convert to fraction form
    28,157.36/38,861.52 = 16,057.87/x
  3. Step 3: Cross multiply
    28,157.36x = 38,861.52 × 16,057.87
  4. Step 4: Simplify right side
    28,157.36x = 624,033,276.31
  5. Step 5: Solve for x
    x = 624,033,276.31/28,157.36
  6. Step 6: Final answer
    x = 22,162.35

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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.