Home / 28,626.25-39,500.59-16,686.61

Finding the Fourth Proportional to 28,626.25, 39,500.59 and 16,686.61

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Solution

The fourth proportional to 28,626.25, 39,500.59 and 16,686.61 is: 23,025.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,626.25 : 39,500.59 = 16,686.61 : x
  2. Step 2: Convert to fraction form
    28,626.25/39,500.59 = 16,686.61/x
  3. Step 3: Cross multiply
    28,626.25x = 39,500.59 × 16,686.61
  4. Step 4: Simplify right side
    28,626.25x = 659,130,940.10
  5. Step 5: Solve for x
    x = 659,130,940.10/28,626.25
  6. Step 6: Final answer
    x = 23,025.40

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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.