Home / 28,864.06-43,300.53-7,804.80

Finding the Fourth Proportional to 28,864.06, 43,300.53 and 7,804.80

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Solution

The fourth proportional to 28,864.06, 43,300.53 and 7,804.80 is: 11,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,864.06 : 43,300.53 = 7,804.80 : x
  2. Step 2: Convert to fraction form
    28,864.06/43,300.53 = 7,804.80/x
  3. Step 3: Cross multiply
    28,864.06x = 43,300.53 × 7,804.80
  4. Step 4: Simplify right side
    28,864.06x = 337,951,976.54
  5. Step 5: Solve for x
    x = 337,951,976.54/28,864.06
  6. Step 6: Final answer
    x = 11,708.40

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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.