Home / 23,629.92-35,451.80-6,990.40

Finding the Fourth Proportional to 23,629.92, 35,451.80 and 6,990.40

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Solution

The fourth proportional to 23,629.92, 35,451.80 and 6,990.40 is: 10,487.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,629.92 : 35,451.80 = 6,990.40 : x
  2. Step 2: Convert to fraction form
    23,629.92/35,451.80 = 6,990.40/x
  3. Step 3: Cross multiply
    23,629.92x = 35,451.80 × 6,990.40
  4. Step 4: Simplify right side
    23,629.92x = 247,822,262.72
  5. Step 5: Solve for x
    x = 247,822,262.72/23,629.92
  6. Step 6: Final answer
    x = 10,487.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.