Home / 28,599.99-39,469.44-15,854.52

Finding the Fourth Proportional to 28,599.99, 39,469.44 and 15,854.52

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Solution

The fourth proportional to 28,599.99, 39,469.44 and 15,854.52 is: 21,880.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,599.99 : 39,469.44 = 15,854.52 : x
  2. Step 2: Convert to fraction form
    28,599.99/39,469.44 = 15,854.52/x
  3. Step 3: Cross multiply
    28,599.99x = 39,469.44 × 15,854.52
  4. Step 4: Simplify right side
    28,599.99x = 625,769,025.87
  5. Step 5: Solve for x
    x = 625,769,025.87/28,599.99
  6. Step 6: Final answer
    x = 21,880.04

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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.