Home / 27,939.86-41,909.41-6,880.15

Finding the Fourth Proportional to 27,939.86, 41,909.41 and 6,880.15

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Solution

The fourth proportional to 27,939.86, 41,909.41 and 6,880.15 is: 10,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,939.86 : 41,909.41 = 6,880.15 : x
  2. Step 2: Convert to fraction form
    27,939.86/41,909.41 = 6,880.15/x
  3. Step 3: Cross multiply
    27,939.86x = 41,909.41 × 6,880.15
  4. Step 4: Simplify right side
    27,939.86x = 288,343,027.21
  5. Step 5: Solve for x
    x = 288,343,027.21/27,939.86
  6. Step 6: Final answer
    x = 10,320.13

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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.