Home / 28,896.75-39,880.76-16,322.31

Finding the Fourth Proportional to 28,896.75, 39,880.76 and 16,322.31

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Solution

The fourth proportional to 28,896.75, 39,880.76 and 16,322.31 is: 22,526.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896.75 : 39,880.76 = 16,322.31 : x
  2. Step 2: Convert to fraction form
    28,896.75/39,880.76 = 16,322.31/x
  3. Step 3: Cross multiply
    28,896.75x = 39,880.76 × 16,322.31
  4. Step 4: Simplify right side
    28,896.75x = 650,946,046.14
  5. Step 5: Solve for x
    x = 650,946,046.14/28,896.75
  6. Step 6: Final answer
    x = 22,526.62

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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.