Home / 28,395.66-39,149.61-23,272.32

Finding the Fourth Proportional to 28,395.66, 39,149.61 and 23,272.32

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Solution

The fourth proportional to 28,395.66, 39,149.61 and 23,272.32 is: 32,085.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,395.66 : 39,149.61 = 23,272.32 : x
  2. Step 2: Convert to fraction form
    28,395.66/39,149.61 = 23,272.32/x
  3. Step 3: Cross multiply
    28,395.66x = 39,149.61 × 23,272.32
  4. Step 4: Simplify right side
    28,395.66x = 911,102,251.80
  5. Step 5: Solve for x
    x = 911,102,251.80/28,395.66
  6. Step 6: Final answer
    x = 32,085.97

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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.