Home / 27,144.27-40,703.04-12,908.79

Finding the Fourth Proportional to 27,144.27, 40,703.04 and 12,908.79

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Solution

The fourth proportional to 27,144.27, 40,703.04 and 12,908.79 is: 19,356.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,144.27 : 40,703.04 = 12,908.79 : x
  2. Step 2: Convert to fraction form
    27,144.27/40,703.04 = 12,908.79/x
  3. Step 3: Cross multiply
    27,144.27x = 40,703.04 × 12,908.79
  4. Step 4: Simplify right side
    27,144.27x = 525,426,995.72
  5. Step 5: Solve for x
    x = 525,426,995.72/27,144.27
  6. Step 6: Final answer
    x = 19,356.83

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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.