Home / 28,449.92-39,279.38-25,460.61

Finding the Fourth Proportional to 28,449.92, 39,279.38 and 25,460.61

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Solution

The fourth proportional to 28,449.92, 39,279.38 and 25,460.61 is: 35,152.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,449.92 : 39,279.38 = 25,460.61 : x
  2. Step 2: Convert to fraction form
    28,449.92/39,279.38 = 25,460.61/x
  3. Step 3: Cross multiply
    28,449.92x = 39,279.38 × 25,460.61
  4. Step 4: Simplify right side
    28,449.92x = 1,000,076,847.92
  5. Step 5: Solve for x
    x = 1,000,076,847.92/28,449.92
  6. Step 6: Final answer
    x = 35,152.19

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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.