Home / 27,162.89-40,736.04-18,783.26

Finding the Fourth Proportional to 27,162.89, 40,736.04 and 18,783.26

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Solution

The fourth proportional to 27,162.89, 40,736.04 and 18,783.26 is: 28,169.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,162.89 : 40,736.04 = 18,783.26 : x
  2. Step 2: Convert to fraction form
    27,162.89/40,736.04 = 18,783.26/x
  3. Step 3: Cross multiply
    27,162.89x = 40,736.04 × 18,783.26
  4. Step 4: Simplify right side
    27,162.89x = 765,155,630.69
  5. Step 5: Solve for x
    x = 765,155,630.69/27,162.89
  6. Step 6: Final answer
    x = 28,169.16

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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.