Home / 28,581.37-39,439.26-15,834.19

Finding the Fourth Proportional to 28,581.37, 39,439.26 and 15,834.19

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Solution

The fourth proportional to 28,581.37, 39,439.26 and 15,834.19 is: 21,849.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,581.37 : 39,439.26 = 15,834.19 : x
  2. Step 2: Convert to fraction form
    28,581.37/39,439.26 = 15,834.19/x
  3. Step 3: Cross multiply
    28,581.37x = 39,439.26 × 15,834.19
  4. Step 4: Simplify right side
    28,581.37x = 624,488,736.30
  5. Step 5: Solve for x
    x = 624,488,736.30/28,581.37
  6. Step 6: Final answer
    x = 21,849.50

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Double scale
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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.