Home / 27,210.74-40,816.98-7,489.40

Finding the Fourth Proportional to 27,210.74, 40,816.98 and 7,489.40

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Solution

The fourth proportional to 27,210.74, 40,816.98 and 7,489.40 is: 11,234.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,210.74 : 40,816.98 = 7,489.40 : x
  2. Step 2: Convert to fraction form
    27,210.74/40,816.98 = 7,489.40/x
  3. Step 3: Cross multiply
    27,210.74x = 40,816.98 × 7,489.40
  4. Step 4: Simplify right side
    27,210.74x = 305,694,485.93
  5. Step 5: Solve for x
    x = 305,694,485.93/27,210.74
  6. Step 6: Final answer
    x = 11,234.33

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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.