Home / 27,118.50-40,739.98-19,240.44

Finding the Fourth Proportional to 27,118.50, 40,739.98 and 19,240.44

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Solution

The fourth proportional to 27,118.50, 40,739.98 and 19,240.44 is: 28,904.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,118.50 : 40,739.98 = 19,240.44 : x
  2. Step 2: Convert to fraction form
    27,118.50/40,739.98 = 19,240.44/x
  3. Step 3: Cross multiply
    27,118.50x = 40,739.98 × 19,240.44
  4. Step 4: Simplify right side
    27,118.50x = 783,855,140.79
  5. Step 5: Solve for x
    x = 783,855,140.79/27,118.50
  6. Step 6: Final answer
    x = 28,904.81

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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.